Prepare groups solutions for Fri, Nov 30

1 – 5.1 #22                        

2 – 5.1 #25                             

3 – 5.2 #27ab

4 – 5.2 #27cd

5 – 5.2 #27ef 

6 – 5.2 #41

7 – 5.2 #18ab

8 – 5.2 #24b, 26a