The volume inside a rectangle storage room is 2,079 cubic feet. The room is 3 feet high. Find the area of the floor?

This is geometry. could anyone ? i can't fail this class. my grade is quite low already.

Acoin bank containing only dimes and quarters has 12 more dimes than quarters. the total value of the coins is $11. how many quarters and dimes are in the coin bank?

Aregular pentagon with a perimeter of 21 inches is dilated by a scale factor of 5/3 to create a new pentagon. what is the perimeter of the new pentagon?