A rectangle has a length of (5x+2) and a width of (3x-1) with an area of 308 square units. Find the perimeter

Witch represents the inverse of the function f(x)=1/4x-12

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

Jack did 3/5 of all problems on his weekend homework before sunday. on sunday he solved 1/3 of what was left and the last 4 problems. how many problems were assigned for the weekend?