Questions #8 to #12 pertain to the accompanying Venn diagram. 8. If n(AUB) = 40, what is the value of n(AB)? a) 7 b) 9 c) 31 d) 40 9. If n(S) = 48, what is the value of n'(AUB)? a) 8 b) 31 c) -40 d) 9 S A 12 19 B

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