The width of a rectangle is 9 less than the length. if the perimeter is 130 cm, find the length and the width of the rectangle

What is the solution of the systems of equations? y=2/3x+3 x=-2

Two numbers have a sum of -19. one number is x. what expression represents the other number?

Which statement explains how you could use coordinate geometry to prove the opposite sides of a quadrilateral are congruent? a. use the slope formula to prove the slopes of the opposite sides are the same. b. use the slope formula to prove the slopes of the opposite sides are opposite reciprocals. c. use the distance formula to prove the lengths of the opposite sides are the same. d. use the distance formula to prove the midpoints of the opposite sides are the same.