Factor.12x2 + 52x - 40
A. (12x - 8)(x + 5)
B. 4(3x + 2)(x - 5)
C. (3x - 2)(4x + 20)
D. 4(3x - 2)(x + 5)
Answer: D
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i + 
j - 
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A. 4
B. 4
C. 6
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Solve the inequality. Express your answer in set notation.x2 < 81
A. {x| x < -9 or x > 9} B. {x| 9 < x < 9} C. {x| -9 ? x ? 9} D. {x| x < 9}
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A. 27 g B. 6 g C. 12 g D. 54 g