For the weebs who read my suha on mangago

I’m freaking mad

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.

Which coefficient matrix represents a system of linear equations that has a unique solution ? options in photo*

Peter measures the angles in a triangle. he finds that the angles are 95, 10 and 75. is he correct? explain your answer