Question: Use the union rule to answer. If n(A) = 8, n(B) = 9 and n(An B) = 3, what is n(A U B)? n(A U

Use the union rule to answer. If n(A) = 8, n(B) =
Use the union rule to answer. If n(A) = 8, n(B) = 9 and n(An B) = 3, what is n(A U B)? n(A U B) =

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