9+3³+16÷4-2 determine the expression to evaluate ​

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.

What is the axis of symmetry of the function f(x)=-(x+ 9)(x-21)

Xy x xy if a and b are positive integers such that a*b=9 and b*a=72 what is the value of a/b