Find the value of f(-7).
y =f(x)

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

Idon't get undoing if its pass adding and subtracting so can someone ? x-2 over 5 = 18

Afield is shaped like the figure shown