The radius of a circular sign is decreased by 4 inches. if r represents the radius of the original sign, which equation represents the area, in square inches, of the smaller sign?

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.