Evaluate the expression.-23 - (-60)

A. 83
B. -83
C. -37
D. 37

Answer: D

Mathematics

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Write the equation for the plane.The plane through the point P(-7, -9, -8) and perpendicular to the line   

A. 3x + 4y + 4z = -89 B. 3x + 4y + 4z = 11 C. 3x + 4y + 4z = 89 D. 3x + 4y + 4z = -24

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Use the laws of exponents to simplify. Do not use negative exponents in your answer.

A. 72
B.
C. 714
D.  

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Express the graph shown using interval notation. Also express it as an inequality involving x.

A. [-7, 1] -7 ? x ? 1 B. (-?, 1) x < 1 C. (-7, 1] -7 < x ? 1 D. [-7, 1) -7 ? x < 1

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Multiply. Write the result in the form a + bi. ? 

A. 14 B. 14i2 C. -14 D. -14i

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Mathematics