If it takes one hour to fill a pool with 50 ft3 of water, how many hours will it take to fill a pool that measures 10 ft by 8 ft with a depth of 5 ft?

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