Mathematics, 08.06.2021 23:00, tanoah5729

Set A contains 19 elements, set B contains 14 elements, and 2 elements are common to sets A and B. How many elements are in A U B? The number of elements in A U B is (answer)

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Set A contains 19 elements, set B contains 14 elements, and 2 elements are common to sets A and B....