The value y of varies directly with x. When y = 19.375, X = 7.75 Problem What is the value of x when y is 21.5? A 8.6 B 5.6 C 10.5

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