A rectangular pool is 30 feet wide and 40 feet long. It is surrounded on all four sides by a wooden deck that is x feet wide. The total area enclosed within the perimeter of the deck is 3456 square feet. What is the width of the deck?

if i have 23 one foot square tiles how many packages do i need to cover a square ballroom floor whose side measures 64 feet?

The diameter of a fountain is 16 meters and the diameter of statue is 2 meters what is the area of the fountain

Kamrie wants to paint her living room. The rectangular room measures 20 feet by 15 feet and has 10-foot ceilings. Along one of the long walls, there are three windows that each measure 3 feet by 8 feet. Along one of the short walls, there are two windows that each measure 3 feet by 8 feet. Along the other long wall, there is a rectangular opening that measures 7 feet by 8 feet. The cans of paint Kamrie will purchase cover 415 square feet. Determine the area of the doors, windows, and rectangular opening.