Find the missing side

Will give brainliest what is the value of x? enter your answer in the box.

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.

If abcde is reflected over the x-axis and then translated 3 units left, what are the new coordinates d?