Answer:
Step-by-step explanation:
Answer:
A=60
B=36
A, is greater
Step-by-step explanation:

If

and

share no common elements, then

, which means

On the other hand, if the smaller set is entirely contained within the larger set, i.e.

, then

, and so

.
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Answer:
The average score is 85
Step-by-step explanation:
Good Luck!