Solving Equations Solve each equation or formula for the specified variable.
15. E = mc2, for m
2d +1
16. c=
-20+1, ford
17. h = vt - gt2, for v
18. E=
= {1w2 + U, for I

Solve : (show your work) 10-3x> -23

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).

What is the least common multiple for 6 and 8? what is the least common multiple for 4 and 12 ? what is the least common multiple for 11 and 12? what is the least common multiple for 3 and 6?