Use the four-step method in problem solving to solve the problem.A couch sells for $1260. Instead of paying the total amount at the time of purchase, the same couch can be bought by paying $500 down and $80 a month for 12 months. How much is saved by paying the total amount at the time of purchase?
A. $1080
B. $200
C. $300
D. $20
Answer: B
Mathematics
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Evaluate the cylindrical coordinate integral.
A. 60 B. 40 C. 60? D. 20?
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Solve the problem.The accompanying figure shows the graph of y = -x2 shifted to a new position. Write the equation for the new graph.
A. y = -(x - 4)2 B. y = -(x + 4)2 C. y = -x2 + 4 D. y = -x2 - 4
Mathematics
Find the volume of the solid generated by revolving the shaded region about the given axis.About the x-axis
A. 9?
B. 
?
C. 
?
D. 
?
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Write the vector in the form 
. Round values to the nearest hundredth when appropriate.
A. 
B. 
C. 
D. 
Mathematics