Caleb is giving 8 blue robot stickers, 7 orange robot stickers, and 7 green robot stickers to 2 of his friends. he wants to give each friend the same number of stickers. which equation shows how to finds, the number of robot stickers each friend will get?
a. 2 × 7 + 7 + 8
b. (8 × 7 × 7) ÷ 2
c. (8 + 7 + 7) ÷ 2
d. (8 + 7 + 7) × 2

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.