posted by Keyeshia .
Part 1 I have to use symbols in my anwser
Suppose B is proper subset of C
If n(c)=8, what is the maxium number of elements in n (B)
What is the least possible numbers of Elements in B?
Suppose C is a subset of D and D is a subset of C
If n (C)=5, find n (D)
What is other relationship exists between sets C and D?