What is 2 3/4 as a improper fraction

Which ratio is equivalent to 10: 85

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.

V=x^4-y^4 pick three expressions that can represent the three dimensions of the prism (each in meters)