What’s the correct answer for this question?

For the following geometric sequence, find the recursive formula. {-80, 20, -5, } i need : ')

How do you find the circumfrance of a circle?

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