Which equation has the solution x = 9? Select each correct answer.

2x−3=15

81x−3=6

24−2x=13

3x + 2 = 25

x3+7=8

4 + 5x = 18

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