What does the following
expression mean?
7!

This is permutations.

Someone answer asap for ! the following statements are true about the coins calvin and sasha have collected. * calvin and sasha has the same amount of money. * calvin has only quarters. * sasha has dimes, nickels, and pennies * calvin has the same number of quarters as sasha has dimes. * sasha has $1.95 in coins that are not dimes. exactly how many quarters does calvin have?

What would the rule be for the reflection of y=-3

What is the ordered pair of m’ after point m (5, 6) is rotated 90° counterclockwise?