Helppp (20 points )pleae

Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers

Find the area of the region that is inside r=3cos(theta) and outside r=2-cos(theta). sketch the curves.

You eat $0.85 for every cup of hot chocolate you sell. how many cups do you need to sell to earn $55.25