Please help! Please help!

Aswimming pool is a rectangle with semicircles on the end. the rectangle is 12 meters wide and 30 meters long. the diameter and width of the swimming pool are equal. sketch and label an overhead diagram of the swimming pool. find the area of the swimming pool floor.

Find and simplify an expression for the area of five rows of x squares with side lengths of x centimeters.

Can someone me find the original price? the discount is 5% and the sale price is $68.40