Solve. Provide answers in interval notation.(x + 2)(x - 6) ? 0
A. (-?, -2] ? [6, ?)
B. (-2, 6)
C. (-?, -2) ? (6, ?)
D. [-2, 6]
Answer: D
Mathematics
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A. 3
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A. - 
B. - 
C. 
D. - 
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Simplify the polynomial by combining like terms.3.6x3 - 6.5x + 11.8 + 1.9x - x3 - 8.2
A. 1.6x4 B. 2.6x3 - 4.6x + 3.6 C. 3.6x3 + 8.4x + 20 D. cannot be simplified
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Determine whether the problem is an equation or an expression. 16 + 2
A. Expression B. Equation
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