. Reason Rachel spent $36.32 in the grocery store. She paid the exact amount and used exactly 4 bills and 4 coins. What bills and coins did Rachel use?

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).

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?

If the value of cos330°is√3/2 then find cos 165°.