Can someone help me :(((
ive asked 3 times lol

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.

What expression is equivalent to 42x-56y

Write the sine and cosine values of a, b, respectively, in the figure for (1) and (2) + explanation.