HELP ME PLEASE A

Three times the difference of federico’s age, and 4, increased by 7, is greater than 37. what are possible values of federico’s age?

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.

Mis the midpoint of rq if rm equals 2x + 5 and mq equals 4x - 9 what is the length of rq