write the product of 17 and 487 as an expression

The set of all tax returns with either the standard deduction or showing business income, but not filed in 2007, and not selected for audit.

The set (A U B) - C represents the set of all tax returns with either the standard deduction or showing business income, but not filed in 2007.

In other words, it represents the set of all tax returns that have the standard deduction or show business income, but were not filed in 2007, and were not selected for audit.

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The solution to the equation is x = 4/15

It is important to note that algebraic expressions are described as expressions that are made up of variables, constants, factors and coefficients.

From the information given, we have that;

√4 - 3x/√3x = 2

cross multiply the values, we have;

√4 - 3x = 2√3x

Now, find the square root of both sides, we have;

4 - 3x = 4(3x)

expand the bracket, we have;

4-3x = 12x

collect the like terms

12x + 3x = 4

add the values

15x = 4

Make 'x' subject

x = 4/15

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Answer:

the lengths of the sides of the triangle are 12 cm, 14 cm, and 18 cm.

Step-by-step explanation:

Let's first find the common ratio that will allow us to find the actual length of each side.

The extended ratio can be expressed as 6x : 7x : 9x, where x is the common ratio.

To find the value of x, we can set up an equation:

6x + 7x + 9x = 44

22x = 44

x = 2

So the actual lengths of the sides are:

6x = 12 cm

7x = 14 cm

9x = 18 cm

Therefore, the lengths of the sides of the triangle are 12 cm, 14 cm, and 18 cm.

The length of the sides is 12 cm, 14 cm, and 18 cm.

Given

The lengths of the sides of a triangle are in the extended ratio of 6 ​: 7 ​: 9. the perimeter of the triangle is 44 cm.

The perimeter is equal to the continuous line forming the boundary of a closed geometrical figure:

Let, the length of the sides of the triangle be 6x, 7x, 9x.

The sum of all lengths is equal to the perimeter of the triangle.

[tex]6\text{x}+7\text{x}+9\text{x}=44[/tex]

[tex]22\text{x}=44[/tex]

[tex]\text{x}=\dfrac{44}{22}[/tex]

[tex]\text{x}=2[/tex]

Therefore,

The length of the sides are:

[tex]6\text{x} = 6(2) = \bold{12}[/tex]

[tex]7\text{x} = 7(2) = \bold{14}[/tex]

[tex]9\text{x} = 9(2) = \bold{18}[/tex]

Hence, the length of the sides is 12 cm, 14 cm, and 18 cm.

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The lateral surface area, of the figure formed by the net = 27 square inches

The correct answer is an option (b)

From the attached figure we can obaerve that the net represents the rectangular pyramid.

Here, the triangular sides of the pyramid represents the lateral surface.

The lateral surface area of the figure is nothing but the total surface area of the triangular faces.

Here, the two triangles have base b₁ = 6 in. and the height h₁ = 4.5 in.

Amd the remaning two triangles have base b₂ = 4 in. and height h₂ = 5 in.

Using the formula for the area of triangle,

A₁ = 2 × (1/2 × base × height)

A₁ = 2 × (1/2 × b₁ × h₁)

A₁ = 2 × (1/2 × 6 × 4.5)

A₁ = 2 × 3 × 4.5

A₁ = 27 sq. in.

And the area of remaining two triangles would be,

A₂ = 2 × (1/2 × base × height)

A₂ = 2 × (1/2 × b₂ × h₂)

A₂ = 2 × (1/2 × 4 × 5)

A₂ = 20 sq. in.

So, the lateral surface area, of the figure formed by the net would be,

A = A₁ + A₂

A = 27 + 20

A = 47 sq. in.

The correct answer is an option (b)

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Find the complete question below.

Look at the net. what is the lateral surface area, in square inches, of the figure formed by the net

Answer:

Okay, let's solve this problem in steps:

The lifespan of Bright Inc. light bulbs follows a normal distribution with a mean (μ) of 300 days and standard deviation (σ) of 40 days.

To find the 20th percentile, we calculate:

20th percentile = μ - σ * 0.842

= 300 - 40 * 0.842

= 255 days

20% of light bulbs survive less than the 20th percentile.

So 20% of Bright Inc. light bulbs survive less than 255 days.

In summary, 20% of light bulbs produced by Bright Inc. survive less than 255 days.

Let's break this down further step-by-step:

A normal distribution is symmetrical and bell-shaped. The mean (μ=300 days) is the center of the distribution. The standard deviation (σ=40 days) describes the spread/variance of the distribution.

To find percentiles other than the mean, we use the equation:

Percentile = μ - σ * z-score

Here, the 20th percentile z-score is 0.842.

So 20th percentile = 300 - 40 * 0.842 = 255

Since 20% of the data lies below the 20th percentile, 20% of the light bulbs will have lifespans less than 255 days.

If the mean was higher (say 350 days), the 20th percentile and lifespan less than would also be higher (around 300-310 days).

If the standard deviation was higher (say 60 days), the 20th percentile range would be wider ( 245 to 265 days) indicating more variability.

Step-by-step explanation:

The transformation is explained below.

The transformation is merely a translation of points vertically and horizontally.

The original triangle must have its original coordinates. All you have to do is subtract 1 from their x-coordinate and add 5 units to their y-coordinates.

For example, if the original coordinate is (1,2), then the translated point would now be (0,7). Once you get all the translated points, you can plot them as the new translated triangle.

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Without the original triangle, we cannot graph the image. However, I will provide the steps to apply the given transformation to any triangle:

1. Plot the vertices of the original triangle.

2. For each vertex, shift the x-coordinate left by 1 unit and shift the y-coordinate up by 5 units.

3. Connect the corresponding vertices to form the image of the triangle.

For example, let's say the original triangle has vertices A(2,3), B(5,6), and C(7,2). Applying the given transformation:

- Vertex A becomes A'(1,8) [x - 1 shifts left by 1, y + 5 shifts up by 5]

- Vertex B becomes B'(4,11)

- Vertex C becomes C'(6,7)

Connecting the corresponding vertices, we form the image of the triangle with vertices A'(1,8), B'(4,11), and C'(6,7).

Hope this helps you

According to the information, Zachary used a systematic sampling method. The percentajes of red cars are: S1 = 15%, S2: = 20%, S3 = 10%, S4 = 15%, and S5 = 10%.

According to the table, we can conclude that Zachary used a systematic sampling method to gather his data.

To determine the percentage of red cars from each sample, we need to divide the number of red cars in each sample by the total number of cars in that sample, and then multiply by 100 to get the percentage.

RED

Sample 1: (3/20) x 100 = 15%

Sample 2: (4/20) x 100 = 20%

Sample 3: (2/20) x 100 = 10%

Sample 4: (3/20) x 100 = 15%

Sample 5: (2/20) x 100 = 10%

BLACK

Sample 1: (6/20) x 100 = 30%

Sample 2: (4/20) x 100 = 20%

Sample 3: (4/20) x 100 = 20%

Sample 4: (5/20) x 100 = 25%

Sample 5: (5/20) x 100 = 25%

The percentages of red and black cars vary from sample to sample and the percentage of black cars is consistently higher than the percentage of red cars in each sample.

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The measure of the angle in radians is 11π/12. This was found using the formula for the length of an arc, which involves the radius and angle in radians. Given the radius of 12 and length of the arc 11π, the angle was solved for.

The length of an arc of a circle is given by the formula

length of arc = radius x angle in radians

We are given that the radius of the circle is 12 and the length of the arc is 11π. Let's use the formula above to find the angle in radians

length of arc = radius x angle in radians

11π = 12 x angle in radians

Divide both sides by 12:

11π / 12 = angle in radians

So, the measure of the angle in radians is 11π / 12.

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The equivalent expression that includes a set of parentheses and has a value of 13 is (6 + 8) - (4 × 1) + 3.

To create an equivalent expression with a value of 13 using a set of parentheses, we can combine different mathematical operations. Here's one possible expression:

(6 + 8) - (4 × 1)

In this expression, we have two sets of parentheses. The first set (6 + 8) adds 6 and 8 together, resulting in 14. The second set (4 × 1) multiplies 4 and 1, resulting in 4. Finally, we subtract the value within the second set of parentheses from the value within the first set of parentheses: 14 - 4 = 10.

So, the expression (6 + 8) - (4 × 1) has a value of 10. However, we want to make the value of the expression 13. To do that, we can add 3 to the result:

(6 + 8) - (4 × 1) + 3

Now, when we evaluate this expression, we have 10 + 3 = 13.

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Jill should buy 2/3 yard more blue fabric than purple fabric.

To find out how much more blue fabric Jill should buy than purple fabric, we need to subtract the amount of purple fabric from the amount of blue fabric.

The blue fabric needed for the cape is 7 1/3 yards.

The purple fabric needed for the cape is 6 2/3 yards.

To subtract these two quantities, we need to convert the mixed numbers to improper fractions:

7 1/3 = 7 + 1/3 = 21/3 + 1/3 = 22/3

6 2/3 = 6 + 2/3 = 18/3 + 2/3 = 20/3

Now we can perform the subtraction:

Blue fabric - Purple fabric = (22/3) - (20/3)

To subtract fractions, the denominators must be the same. Since the denominators are already the same, we subtract the numerators:

(22/3) - (20/3) = (22 - 20)/3 = 2/3

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To solve the equation [tex]tan 25^{o} + tan 110^{o} = \frac{-1}{1-tan25^{0}tan110^{o} }[/tex], we first need to simplify the expression on the right-hand side. Using the identity for the tangent of the sum of two angles.

[tex]tan(25^{o} + 110^{o} ) =[/tex] [tex]\frac{(tan 25^{0} + tan 110^{0} )}{(1 - tan 25^{0} tan 110^{0} )}[/tex]
Multiplying both sides by the denominator on the right-hand side of the original equation. We can substitute the expression on the left-hand side with the tangent of the sum of two angles:

[tex]\frac{(tan 25^{o} + tan 110^{o} )}{(1 - tan 25^{o} tan 110^{o} )} =-1[/tex]

[tex]tan(25^{o} + 110^{o} ) = tan 135^{0} = -1[/tex]
Therefore, the equation simplifies to:

-1=-1
This is a true statement, so the original equation is satisfied. Therefore, the solution to the equation is:

[tex]tan 25^{o} + tan 110^{o} =\frac{-1}{1-tan 25^{o} tan 110^{o}}[/tex] is true for any values of tan 25∘ and tan 110∘.
To solve the given equation using the given terms, you can use the tangent addition formula:

[tex]tan(A + B) = \frac{ (tanA + tanB)}{ (1 - tanAtanB)}[/tex]
Here, A = 25° and B = 110°. Plugging in these values, we have:

[tex]tan(25^{o} + 110^{o} ) = (tan(25^{o} ) + tan(110^{o})) / (1 - tan(25^{o}) tan(110^{o} ))[/tex]
Now, we need to find if [tex]tan(25^{o} + 110^{o} )[/tex] equals -1:

[tex]tan(135^{o} ) = \frac{ (tan(25^{o} ) + tan(110^{o} ))}{ (1 - tan(25^{o} )tan(110^{o} ))}[/tex]
As tan(135°) is indeed equal to -1, the given equation is true.

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The probability that a truck will be loaded in 30 minutes or less, given that the time required to load a truck is exponentially distributed with a mean of 30 minutes, is approximately 0.632.

Since the mean of an exponential distribution is equal to the reciprocal of the rate parameter, which is λ = 1/30 = 0.0333, the probability density function of the distribution is f(x) = λe^(-λx).

To find the probability that a truck will be loaded in 30 minutes or less, we need to integrate the probability density function from 0 to 30 minutes. This gives us P(X ≤ 30) = ∫(0 to 30) λe^(-λx)dx = 1 - e^(-λ*30) = 0.632. Therefore, the probability that a truck will be loaded in 30 minutes or less is approximately 0.632.

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Answer:

34

Step-by-step explanation:

"Seven less than a number"

means that we need to subtract 7 from the

unknown number and the result would be 34.

(a) With a significance level of α=0.05, we would fail to reject the null hypothesis because the p-value of 0.064 is greater than α.

(b) With a significance level of α=0.10, we would reject the null hypothesis because the p-value of 0.064 is less than α.

(c) With a significance level of α=0.01, we would fail to reject the null hypothesis because the p-value of 0.064 is greater than α.

(d) With a significance level of α=0.065, we would reject the null hypothesis because the p-value of 0.064 is less than α.

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If the transformation x -> Ax is not one-to-one, it means that there exist two distinct vectors x1 and x2 such that Ax1=Ax2. In other words, there are multiple ways to obtain the same result b using different x vectors.

If the transformation x -> Ax is not one-to-one, it means that there exist two distinct vectors x1 and x2 such that Ax1=Ax2. This implies that the transformation maps different vectors in the domain to the same vector in the range.

In other words, there are multiple ways to obtain the same result b using different x vectors.

This fact has important implications in linear algebra. One consequence is that the matrix A does not have an inverse, since the inverse would have to map the same output b to two different inputs x1 and x2.

Another consequence is that the equation Ax=b has either zero or infinitely many solutions.

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The value of the integral is approximately 16.416.

We can use the change of variables s = xy, t = xy^2 to transform the integral ∫R xy^2 dA into an integral over the region R' in the st-plane:

∫R xy^2 dA = ∫R' t ds dt

where R' is the region bounded by s = 2, s = 5, t = 2, and t = 5.

To find the limits of integration for s and t, we solve for x and y in terms of s and t:

s = xy --> y = s/x

t = xy^2 --> y = (t/x)^{1/2}

Equating these expressions for y, we get:

s/x = (t/x)^{1/2} --> x = (s^2/t)^{1/3}

Substituting this into s = xy, we get:

y = s/x = s^{1/3}t^{-1/3}

Now we can express the integral over R' in terms of s and t:

∫R' t ds dt = ∫2^5 ∫2^5 t (∂s/∂t) ds dt

where (∂s/∂t) is the Jacobian determinant of the transformation:

(∂s/∂t) = | ∂s/∂t ∂t/∂t |

| ∂s/∂s ∂t/∂s |

= | y   2xy^2 |

         | x   3xy^2 |

       = | s^{1/3}t^{-2/3}   2s^{2/3}t^{1/3} |

         | (s^2/t)^{1/3}   3(s^2/t)^{2/3} |

       = s^{1/3}t^{-2/3} (3s - 2t)

Substituting this and the expression for y into the integral, we get:

∫R xy^2 dA = ∫2^5 ∫2^5 t s^{1/3}t^{-2/3} (3s - 2t) ds dt

Simplifying and evaluating the integral, we get:

∫R xy^2 dA = 3/4 (5^{4/3} - 2^{4/3}) - 1/2 (5^{5/3} - 2^{5/3})

Therefore, the value of the integral is approximately 16.416.

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Answer:

1. For the 4th period:

Mean = (10+11+12+13+16+17+18)/7 = 13

Mean Absolute Deviation (MAD) = [(|10-13| + |11-13| + |12-13| + |13-13| + |16-13| + |17-13| + |18-13|)/7] = 2

For the 6th period:

Mean = (19+20+19+20)/4 = 19.5

Mean Absolute Deviation (MAD) = [(|19-19.5| + |20-19.5| + |19-19.5| + |20-19.5|)/4] = 0.5

2. The 6th period, on average, scored better on the quiz by 6.5 points (19.5-13=6.5). The difference between the mean scores is larger than the mean absolute deviation, which indicates that the data is spread out and not clustered around the mean. There is no overlap in the data between the two classes, which indicates that the 6th period did better than the 4th period on the quiz.

The expression has the answer as x = -11.15.

Simplifying the left-hand side of the equation first:

[(-3(3/35))÷(-(2/3))] · x = [(-96/35)÷(-17/9)] · x

Next, simplify the fraction inside the bracket:

[(-96/35)÷(-17/9)] = (-96/35)·(-9/17) = 432/595

Substituting this value back into the equation:

(432/595) · x = 7.2÷(-8/9)

To simplify the right-hand side of the equation, divide 7.2 by -8/9:

7.2 ÷ (-8/9) = 7.2 · (-9/8) = -8.1

Substituting this value back into the equation:

(432/595) · x = -8.1

Finally, solve for x by multiplying both sides by 432/595:

x = -8.1 · (595/432) = -11.15 (rounded to two decimal places)

Therefore, the solution to the equation is x = -11.15.

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The value of x in the given equation is 0

The given equation is 3x-5(3-2x)=6x-15

Apply the distributive property

3x-15+10x=6x-15

Take all the variable terms on one side and constants on other side

13x-15=6x-15

Add 15 on both sides

7x=0

x=0/7

The value of x is zero

x=0

Hence, the value of x in the given equation is 0

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The correct option is c. Analysis of variance.

ANOVA stands for Analysis of Variance, which is a statistical method used to test the equality of three or more population means by analyzing the variance between samples.

In an ANOVA, the variance is partitioned into different components, including the variance between groups and the variance within groups. If the variance between groups is larger than the variance within groups, it suggests that there are significant differences between the means of the groups being compared.

ANOVA is commonly used in experimental research to test the effects of one or more independent variables on a dependent variable. It allows researchers to determine whether the means of different groups are significantly different from one another, and if so, which groups are significantly different.

Overall, ANOVA is a powerful statistical tool that enables researchers to test hypotheses and draw conclusions about the differences between multiple groups or treatments.

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The percent decrease in the number of passengers is 41.44%. The Option A is correct.

To get percent decrease, we have to find difference between (initial and final numbers of passengers)  and divide initial number in percentage.

Data

Initial number of passengers = 263

Final number of passengers = 154

Difference = 263 - 154 = 109

Percent decrease = (Difference / Initial number) x 100%

Percent decrease = (109 / 263) x 100%

Percent decrease =  0.4144486692

Percent decrease = 41.44%

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Using the properties of parallel lines, it can be concluded that the corresponding sides of the triangles formed by the transversal are proportional. Thus, using the ratio of the corresponding sides, the length of rt is 9 cm.

Since pq is parallel to rs, we can use the property of similar triangles, which states that the corresponding sides of similar triangles are in proportion.

Therefore, we can set up the following proportion

pt/pq = rt/rs

Substituting the given values, we get

3/5 = rt/15

Cross-multiplying, we get

5rt = 45

Dividing both sides by 5, we get

rt = 9

Therefore, the length of rt is 9 cm.

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--The given question is incomplete, the complete question is given

" In the figure pq is parallel to rs. The length of pt is 3 cm the length of pq is 5 cm, the length of rs is 15 cm what is the length of rt "--

Theorem 4.4.4 is the divisibility by a prime theorem, which states that any integer n greater than 1 is divisible by at least one prime number. This theorem is a fundamental result in number theory and has many important applications.

To prove this theorem, we can use proof by contradiction. Suppose that there exists an integer n greater than 1 that is not divisible by any prime number. Then n must be a composite number, since it is not prime and has factors other than 1 and itself. Let p be the smallest prime divisor of n, which exists by the well-ordering principle.

Since p is the smallest prime divisor of n, it follows that p ≤ √n. If p > √n, then p cannot divide n, which contradicts the assumption that p is a divisor of n. Therefore, p ≤ √n, and we have p ≤ n/p, which implies that [tex]p^2 ≤ n[/tex].

Since n is composite, we can write n = ab, where a and b are positive integers greater than 1. Since p is a prime divisor of n, it must divide either a or b, say a without loss of generality. But then p divides a and hence p is a divisor of the composite number a, which contradicts the choice of p as the smallest prime divisor of n.

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first off, let's notice something, hmm the volume is in ft³, however the height is 6 meters, so hmmm and we need the radius is meters as well, so we'd need to convert the ft³ to m³, keeping in mind 1m³ has 35 ft³.

[tex]\begin{array}{ccll} m^3&ft^3\\ \cline{1-2} 1 & 35\\ x& 8\pi \end{array} \implies \cfrac{1}{x}~~=~~\cfrac{35}{8\pi }\implies \cfrac{8\pi }{35}=x[/tex]

now, let's check its volume then

[tex]\textit{volume of a cone}\\\\ V=\cfrac{\pi r^2 h}{3}~~ \begin{cases} r=radius\\ h=height\\[-0.5em] \hrulefill\\ V=\frac{8\pi}{35} ~m^3\\ h=6~m \end{cases}\implies \cfrac{8\pi }{35}=\cfrac{\pi r^2(6)}{3}\implies \cfrac{8\pi }{35}=2\pi r^2 \\\\\\ \cfrac{8\pi }{35\cdot 2\pi }=r^2\implies \cfrac{4}{35}=r^2\implies \sqrt{\cfrac{4}{35}}=r\implies \stackrel{ meter }{0.72}\approx r[/tex]

The expression for Jason's earnings and spending for a day can be written as Earnings = 30x, Spending = 40.

Expression for Jason's earnings and spending:

Let E be the amount Jason earns in a day and S be the amount he spends on transportation and food.

We know that Jason makes $30 per hour, and let's assume he works for x hours in a day. So, the amount he earns in a day can be expressed as:

E = 30x

Similarly, we know that he spends $40 on transportation and food in a day. Therefore, the expression for his spending can be written as:

S = 40

Hence, the expression for Jason's earnings and spending for a day can be written as:

Earnings = 30x

Spending = 40

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The triangle inequality states that for any two real numbers x and y, the sum of their absolute values is greater than or equal to the absolute value of their difference:

| x + y | ≥ | x | - | y |

or

| x + y | ≥ | y | - | x |

This means that the length of any side of a triangle must be less than or equal to the sum of the lengths of the other two sides. In other words, the shortest distance between two points is a straight line, and the direct path between two points is always shorter than the path that includes additional points.

This inequality is essential in geometry and helps in determining the feasibility of a triangle, especially in the calculation of the perimeter and area of the triangle. It also has applications in physics, engineering, and computer science, where it is used to analyze vector quantities and to establish the stability of various systems.

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The polygon ABCD is translated 7 units to the right right to create image A'B'C'D'.

The correct answer is an option (a)

The coordinates of the vertices of the polygon ABCD are:  

A = (1, 5),

B = (3, 1),

C = (7, 1),

D = (5, 5)

And consider the coordinates of the vertices of the polygon A'B'C'D' are:  

A' = (8, 5),

B' = (10, 1),

C' = (14, 1),

D' = (12, 5)

The graph of polygon ABCD and polygon A'B'C'D' is shown below.

From the graoh we can observe that the x coordinates of the vertices of the polygon ABCD is translated right by 7 units.

This means the coordinates (x, y) are translated to (x + 7, y)

Thus the polygon ABCD is translated 7 units to the right.

The correct answer is an option (a)

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The complete question is:

Use the graph to answer the question. graph of polygon ABCD with vertices at 1 comma 5, 3 comma 1, 7 comma 1, 5 comma 5 and a second polygon A prime B prime C prime D prime with vertices at 8 comma 5, 10 comma 1, 14 comma 1, 12 comma 5 Determine the translation used to create the image.

a)  7 units to the right

b) 7 units to the left

c) 3 units to the right

d) 3 units to the left