Jenny had 3 5/10 cakes. A) if she split each cake up into parts that were 2/5 of a piece of a cake in size, then how many of those pieces could she give out? B) if she decided to eat 2 7/8 cakes with her friends, then how many cakes would she have left?

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.