Amy drove to a friend's house at a rate of 45 mph. She returned by the same route at a rate of 50 mph. The driving time for the round trip was 4 hours. What is the total distance Amy
traveled?

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