What is the length of the median c and d

Which values for a and b will create infinitely many solutions for this system of equations? ax-y=8 2x+y=b

Select the correct answer and solve for y

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.