Write the sum as a product. simplify the product. (–2) + (–2) + (–2) + (–2)
a. 4 (–2); –8
b. 5 (–2); –10
c. (–2) + (–2) + (–2) + (–2); –6
d. 2(–2) + 2(–2); 10

This stem-and-leaf plot represents the heights of the students on ralph's basketball team. one student's height is missing from the plot. if the mean height of all the students on the team is 61 inches, what is the missing height? a. 55 in. b. 59 in. c. 61 in. d. 65 in.

In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ah=4 and hc=1, find bh.

If you prove that ∆wxz is congruent to ∆yzx, which general statement best describes what you have proved?