Solve. Graph the solution on a number line, and express it in interval notation.x + 18 ? - 
or
x + 18 > 

A. x ? or x >
,
?
B. - ? x < -
,
C. x ? - or x > -
,
?
D. x < -19 or x > -17, (-?, -19) ? (-17, ?)
Answer: C
Mathematics
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A.
B.
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Multiply and simplify. ?
A. -
B.
C.
D. -12
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Factor completely.2x3 + 3x2 + 4x + 6
A. (2x2 + 1)(x + 6) B. (x2 + 2)(2x + 3) C. (x2 + 3)(2x + 2) D. (2x2 + 3)(x + 2)
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