help please ! dont know if im doing it correctly

1. Maria paid $160 for a TV screen which has a marked price of $200. what is the percentage discount? what is the sum of. -6n + 3 and 4n -9 please help 5 of 205. Which group is most likely to use the slash and burn method of clearing land?A) commercial growersB) migrant workersC) subsistence farmersD) plantation owners the value of b when solving the equation 2(b+12)=16 is Which of the following statements best characterizes the opportunities available to people worldwide during the past20 years?A People of all races, genders, and ethnicities have experienced equal opportunities,B. People from some ethnic, racial, and gender groups have chosen to limit their ownopportunities,C. Many people have been barred from opportunities based on race, gender, or ethnicity.D. Many people have been treated unfairly because of their ethnicity but not because ofgender or race. What specific innovation in the poetry of Walt Whitman is still relevant in poetry today?his objections to the Civil Warhis use of free versehis fascination with democracyhis unusual use of dashes Describe the geographic factor that led Portugal to begin its ocean exploration? Simplify each expression below.12 1/2+(-25) TEN POINTSSSSSSSSSSSSS: Do you think ancient Antarctica was situated in a different location from its location today? Why or why not?Yes, because evidence shows there was flowing water and living things.No, the continents do not move. You buy a seven-year bond that has a 5.25% current yield and a 5.25% coupon (paid annually). In one year, promised yields to maturity have risen to 6.25%. What is your holding-period return HELPPPP I am so lost please I beggggggg thanks Can someone help me? What process is this? Flood water pounds against a wall and wears it down.WeatheringErosionDeposition Which statement represents a recurring theme in both Whitman's and Dickinson's work? How far did the car travel during the 10 sec trip? Position (km) Time (sec) 5 0 8 2 10 4 16 6 20 8 20 10 Answer choices- 10 km 15 km 20 km (this is the one I chose) 79 km 3.Which of the following sets of physical geographic factors were common among most early settlements of people? can someone help me. Can you also answer a,b, and c? Will mark Brainliest if you tell the answer Verbosselect the correct conjugation for the pronoun. nosotrasA. preguntanB. preguntamosC. preguntaD. pregunta Which group of peoplewereresponsible for the Epic of Gilgamesh?