Item 9 a group of tourists spends $156 to rent snorkels and fins. a total of 15 snorkels and 18 pairs of fins are rented. renting a snorkel costs four times as much as renting a pair of fins. how much does it cost to rent a snorkel?

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.