Use the given function f(x) = (x-4) +8x to solve f(-2)
a. 18
b. 14
c. 22
d. -22

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.

Ijust need these 2 questions answered (the second pic is just confirmation i'm not confident in that answer)

What is the perimeter of a rectangle if the length is 5 and the width is x?