Please can u answer ASAP it’s due at 11:59 online vibes lol

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.

Plz hurry evaluate the expression a+b where a=8 and b=19

Drag the tiles to the correct boxes to complete the pairs. label each function. as even , odd, or neither.