1+1=?
2+2=?
7+7=?
9+9=?
5+5=?

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.

If a and −a are numbers on the number line, which expression must give the distance between them? a) 0 b) a c) |2a| d) |a|

Reinel saves 30% of every pay check. his paycheck last week was 560$. how much did reniel save last week?