For her Saturday art class, Ms. Turner had 49 paint jars and 21 canvases for her students. She needs to decide how many people she can allow to sign up to ensure she has enough supplies.
What is the largest number of people who can sign up for her class so each person gets the same amount of paint jars and each person gets the same amount of canvases?
A) 6
B) 7
C) 8
D) 9

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.