If 9x²+px+25 is a perfect square, then find the value of p

The system of equations graphed below has how many solutions?

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-2) 2= 49, then x could be a. -9 b. -7 c.- 2 d. 5 e.9