1. Find the length of segment AB with endpoint A(-7,8) and B(-4,-4). 2. Find the midpoint of the segment CD if C(1,-1) and D(5,7).

Pls! does anybody know a shortcut for answering these types of questions in the future?

Need solving this second acceleration problem.

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).