Shing's living room is 12 feet wide and 21 feet long. He wants to put a border around the top of the room. the cost of the border is $1.45 per foot. How much will it cost to buy enough of the border to go around the room?

In the diagram of circle a what is m

(! ) three cylinders have a height of 8 cm. cylinder 1 has a radius of 1 cm. cylinder 2 has a radius of 2 cm. cylinder 3 has a radius of 3 cm. find the volume of each cylinder

The first floor of marcus’ house is 1,440 square feet. he will cover 1,033 square feet with wood and the rest with tile. a box of tiles will cover 11 square feet. how many boxes of tile does marcus need to buy to cover the floor?