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OpenStudy (anonymous):
If A = { 2,4,6,8,10,12,14}, B= { 1,3,5,7,9,11}, and C= {3,6,9,12}, how many numbers are in the set A U B U C ?
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OpenStudy (anonymous):
Sets have no repeating characters.
OpenStudy (anonymous):
13?
OpenStudy (anonymous):
{} or {null} There are no common number as listed above.
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