What is the equivalent fraction of 7/16

Which statements about these triangles is true

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.

Abacteria population is tripling every hour. by what factor does the population change in 1/2 hour? select all that apply