For numbers 12-15, consider the following sets, with ? = ℕ; that is, the universal set is the set of natural numbers: A = { x| x 2 = 25} B = {x | x = n2, 1 < n < 5} C = {1, 3, 5, 7, 9, 11, 13,…} 12. What is C^c? A. {0, 2, 4, 6, 8, 10,…} B. {x|x is a non-negative odd number} C. {x|x is a positive even number} D. {x|x is an even prime number} 13. Which is equal to B/C? A. {4, 16} B. {1, 4, 16, 25} C. {9} D. ∅ 14. Which of the following is equal to B? A. Set A B. {1, 2, 3, 4, 5} C. {4, 9, 16} D. {1,4,9,16,25}

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A: Explanation:-

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A:

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A:

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A:

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A:

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A:

Q: proper subset of another set

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A:

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