List the sides of triangle mno in order from longest to shortest if m=4x+20, n=2x+10, and o=3x-20

The sum of two numbers is 86, and their difference is 20. find the two numbers

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.

Afamily has five members. a mom, a dad, two sisters, & a brother. the family lines up single file. what is the probabillity that the mom is at the front of the line