What is the answer to this
(x-1)²-(x-1)

Diana is painting statues she has 7/8 of a liter of paint each statue requires 1/20 of a liter of paint how many statues can she paint?

Henry is an avid reader, he devours 90 pages in half an hour how many pages has henry read per minute?

The figures below are made out of circles, semicircles, quarter circles, and a square. find the area and the perimeter of each figure and give your answers as a completely simplified exact value in terms of π (no approximations).