I don’t know/understand can someone 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.

The area of square garden is 300m squared. how long is the diagonal?

How do the number line graphs of the solutions sets of -23 > x and x-23 differ?