If f(x) = 4x + 5. what is the value of f (-3)?

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?

Atriangular field has sides of lengths 21, 39, and 41 yd. find the largest angle. (round your answer to the nearest degree.)