There are 38 cars parked in there are 13 parking spaces empty what is the ratio of the available parking spaces to parked cars ?

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).

Jack did 3/5 of all problems on his weekend homework before sunday. on sunday he solved 1/3 of what was left and the last 4 problems. how many problems were assigned for the weekend?

If f(x) = 4x - 3 and g(x) = x + 4, find (f - g) (x)