hw for 8-31, page 14 and 15, items 6, 7, 8, 9, 10

hw for 8-31, page 14 and 15, items 6, 7, 8, 9, 10

In the NWIR diagram we did in class, none of the fences crossed.  Some Venn diagrams have fences that cross, this makes it possible for some things to be inside two different fences or categories at the same time.