The perimeter of a rectangle is 38 ft. the length is 9 ft longer than the width. find the demensions. write a system of linear equations and solve the resulting system. let x be length and y be width.

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