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Help I have no idea to do this!! I’m stuck!

Help I have no idea to do this!! I’m stuck!-example-1

2 Answers

7 votes
the answer is 7
hope that helps !
User Benhorgen
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6 votes

Answer: 7

Explanation:


A \cap C denotes the intersection of A and C, or in other words, how many elements are shared between them.

The number of elements is 2 + 5 = 7

User EvaBat
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