Which of the following expressions are equivalent to 3 -8 / 3 -4 Select all that apply.

Ineed me i stuck and i don’t want to get it wrong

Assume that y varies inversely with x. if y=1.6 when x=0.5 find x when y=3.2

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