Evaluate.-8 + 12 - (-20)
A. -40
B. 24
C. -16
D. -24
Answer: B
Mathematics
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Use the shell method to find the volume of the solid generated by revolving the region bounded by the given curves and lines about the x-axis.x = 5
, x = - 5y, y = 1
A. 
?
B. 10?
C. 
?
D. 
?
Mathematics
Complete the sentence.The straight line that defines the half-plane that is the graph of a linear inequality is
A. a region. B. an axis. C. a boundary. D. a domain.
Mathematics
Provide an appropriate response.Can the sum be simplified without first simplifying the individual radical expressions?
+ 
A. Yes B. No
Mathematics
Find the average rate of change for the function over the given interval.y = x3 + x2 - 8x - 7 between x = 0 and x = 2
A. -2
B. - 
C. 
D. -28
Mathematics