you are walking and bussing to your friends house to borrow a bike your friend lives 12 miles away while walking and bussing you will average 8 miles per hour once you return home by bike you will average 6 miles per hour

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