PLEASE HELP THIS IS DO AT 10PM

Aline passes through 3,7 and 6,9 what equation represents the line

X+y=-4 x-y=2 use elimination with adding and subtraction

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