I feel bad for making other people do my work for me but I really need help with these 5

Arrange these numbers from least to greatest 3/5 5/7 2/9

How many square feet of out door carpet will we need for this hole? 8ft 3ft 12ft 4ft

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).