Not a quiz need please

The polynomial function of least degree with a leading coefficient of 1 is: f(x) = x3 + ax2 + bx + c

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.

Pyramid shown has a square base that is 18 inches on each side has a surface area of 164 square inches what is the slant height