The formula = 21+ 2m is used when calculating: a area of a rectangle
C area of a circle
b. perimeter of a rectangle
d circumference of a circle

How many different ways can you make change for $.50 using only nickels, dimes, and quarters?

What will the graph look like for a system of equations that has no solution? a. the lines will be perpendicular. b. the lines will cross at one point. c. both equations will form the same line. d. the lines will be parallel.

Which expression do you get when you eliminate the negative exponents of 4a^2 b^216a^-3 b