someone help me on this its for my cousin cause she staking this test and im older than her but i forgot

In which figure is de bc ? a. figure 1 b. figure 2 c. figure 3 d. figure 4

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 x is 6, then 7x= a. 13 b. 42 c. 42x d. 76