I don’t know the answer to this , right answer gets brainlist as always

If 25% of y is 30, what is 60% of y?

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).

You deposit $5000 each year into an account earning 3% interest compounded annually. how much will you have in the account in 30 years?