Question is in the picture. please help! :)

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

For the feasibility region shown below find the maximum value of the function p=3x+2y

Cd is the perpendicular bisector of both xy and st, and cy=20. find xy.