Adam is painting the outside of a 4-walled shed. the shed is 5 feet wide, 4 feet deep, and 7 feet high. how many square feet of paint will adam need?

Someone answer this asap for the length, in feet, of a rectangular rug is represented by the expression 5x² + 2x. the width, in feet, is represented by the expression 3x². which expression represents the perimeter, in feet, of the rug? a. 8x² + 2x b. 8x² + 4x c. 16x² + 2x d. 16x² + 4x