Perform the indicated operations.(x2 + 1) - (6x2 - 2) + (x2 + x - 8)
A. -5x2 + x - 5
B. -6x2 + x - 5
C. -4x2 + x - 5
D. -4x2 - 1x - 7
Answer: C
Mathematics
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Use cylindrical coordinates to find the volume of the indicated region.the region bounded below by the xy-plane, laterally by the cylinder 
and above by the plane 
A. 
?
B. 
?
C. 
?
D. 
?
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Divide.36.86 ÷ 1000
A. 0.3686 B. 3686 C. 0.03686 D. 36,860
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Solve the equation.
x + 7 = 
x - 8
A. 
B. 
C. 
D. 
Mathematics
Answer the question.Which pair of values of x and y makes x - 3y equal 5?
A. x = 11 and y = 2 B. x = 4 and y = 3 C. x = 3 and y = 4 D. x = 2 and y = 11
Mathematics