Solve the problem.A cable TV company charges $22 for the basic service plus $5 for each movie channel. Let y be the total cost in dollars of subscribing to cable TV, using x movie channels. What is the variable cost?
A. $5
B. -$22
C. $22
D. No variable cost
Answer: A
Mathematics
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Express the integrand as a sum of partial fractions and evaluate the integral.
A. 1.73 B. 3.46 C. 1.41 D. 0.87
Mathematics
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 y-axis.2x2 - y2 = 18, x = 8
A. 
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B. 
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C. 
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D. 
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Mathematics
Solve the problem. Round rates to the nearest tenth of a percent, dollar amounts to the nearest cent, and time to the nearest day.Sam Peters signs a $4,500 note. His bank charges a 10% discount rate. Find the effective rate charged by the bank if the note is for 9 months.
A. 9.7% B. 10% C. 10.9% D. 10.8%
Mathematics
Evaluate the expression.C(4, 0)
A. 4 B. 24 C. 1 D. 0
Mathematics