Simplify the expression.
A. -3
B. 4
C. -4
D. -5
Answer: C
Mathematics
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Find the volume.Find the volume of the solid generated by revolving the area under y = 9e-x in the first quadrant about the x-axis
A. 9?
B. 162?
C. 81?
D. 
?
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Evaluate.-33
A. -27 B. -9 C. 9 D. 27
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Find the sum.-22 + (-16)
A. -38 B. 38 C. 6 D. -6
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Solve the inequality.x2 - 25 > 0
A. (-?, -25) or (25, ?) B. (-25, 25) C. (-?, -5) or (5, ?) D. (-5, 5)
Mathematics