Find the union.{0, 3, 9, 12} ? {a, b}

A. {a, b}
B. {0, 3, 9, 12, a, b}
C. {0, 3, 9, 12}
D. ?


Answer: B

Mathematics

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Use the factor theorem to determine whether the first quantity is a factor of the second quantity.7x4 + 22x3 - 3x2 + x + 4, x + 3

A. No B. Yes

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A. 10
B. 5
C. 5
D. 10

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A. 85 B. 75 C. 112 D. 54

Mathematics