Mary had a 3-inch piece of ribbon. She cut it in half. How long were they new pieces

What is the volume of this square pyramid?

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.

Write the expression 7x^3-28xy^2 as the product of 3 factors