The rectangular pyramid and rectangular prism shown below have the same length, same width, and same height i neeed help with the c one only :)

The length of a rectangle is x times the square root of 100. the width is one-half y more than three-halves x. given that the area of the rectangle is 125 cm2, which equation could represent the rectangle in terms of x and y? a) 5xy − 15x = 125 b) 5xy + 15x = 125 c) 15x2 − 5xy = 125 d) 15x2 + 5xy = 125

The length of a rectangle is 2 inches more than twice it’s width. if the perimeter of the rectangle is 70 inches,find it’s length and width

April carriers 5 suitcases to car. each suitcases weighs 6 1/2 pounds. how many pounds does april carry in all