What is the median of the data in this stem-and-leaf plot?

31.0

31.5

32.0

32.5

Asphere has a diameter of 10 in. what is the volume of the sphere?

The base of a triangle exceeds the height by 7 centimeters. if the area is 400 square centimeters, find the length of the base and the height of the triangle.

Write an algebraic expression to match each statement a. four less than 8 times a number b. twice the difference of a number and six c. nine from a number squared