Y=-3x - 5 Solving systems with substitution

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles

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).

Find the missing dimension extra points