In Exercises 13-18, write an equation of the line that passes through the given points. 13. (0,-4), (8,4)
14. (2,1),(0, -7)
15. (0,2), (4,3)
16. (0,-5),(-4,-1)
17. (8,0),(0,8)
18. (0,3).(2,-5)

Factor. 8x2y2 – 4x2y – 12xy 4(8x2y2 – x – 12xy) 4(2xy – 4x2y – 12xy) 4x2y2(2xy – xy –3) 4xy(2xy – x – 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).

An ant travels at a constant rate of 30cm every 2 minutes. at what speed does the ant travel per minute