For y = 3x - 7 find y when x = -2.

Me answer number 3plz explain how you do it

Place the following steps in order to complete the square and solve the quadratic equation,

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.