Contact G. Maroni     Contact: Adam Cheely  Lewei Duan  Chevonne Eversley  

I am sorry that the type quality is not very good, I will try to improve on it, meanwhile here you have some additional practice problems. Concentrate on 6-1, 6-7, 7-2, 7-3,7-5, 12-14, 17-11, 17-12, 17-7.