Simplify the rational expression.
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Find the volume of the solid generated by revolving the region about the given line.The region in the first quadrant bounded above by the line y = 4x3, below by x-axis, and on the right by the line x = 1, about the line y = - 1
A. 
?
B. 
?
C. 
?
D. 
?
Mathematics
Write the inequality without "and".x > 0 and x < 4
A. 0 > x > 4 B. 4 < x < 0 C. 0 < x < 4 D. 0 ? x ? 4
Mathematics
Simplify by using the order of operations. Round your answer to the nearest hundredth, if necessary.12 + (12.7 - 8.2) ? 7.8
A. 128.70 B. -88.44 C. 102.86 D. 47.10
Mathematics
Solve the system by substitution.8x - 7y = 307x + 5y = 93
A. {(-4, -7)} B. ? C. {(9, 6)} D. {(-9, 6)}
Mathematics