A triangle has vertices at (-9,2), (-9,-6), and (-3,-6). What is the perimeter of the triangle in units?

Ineed with math stuff it involves graphs

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

Can someone me find the original price? the discount is 5% and the sale price is $68.40