Jack, sally and joe all work in a bookstore. jack sold 126 books. joe sold 1/2 as many books as many books as jack, and sally solly sold 1/3 as many books as joe. how many books did sally sell?

Combine like terms7y^2 + 7(6y^2 − 8)

10 points? me . its important ‼️‼️

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.