You randomly draw a marble from a bag of marbles that contains 7 blue marbles, 2 green marbles, and 1 red marble. What is p(not draw a blue marble)?

How many $20 bills do you need to have to make $280

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.

The figures below are made out of circles, semicircles, quarter circles, and a square. find the area and the perimeter of each figure and give your answers as a completely simplified exact value in terms of π (no approximations).