Write a line that is parallel to y = -3x -4

Arectangular prism is 3 meters long, 6 meters wide, and has a height of 9 meters. what is its surface area?

For one history test, keith had to answer 40 questions. of these 40 questions, keith answered 28 of them correctly. what percent did keith get on his history test? round your answer to the nearest tenth if necessary

Can someone me do math because i am having a breakdown rn because i don’t get it