A musician is planning to market a CD. The fixed costs are $570 and the variable costs are $5 per CD. The wholesale price of the CD will be $8. For the artist to make a profit, revenues must be greater than costs.
How many CDs, x, must be sold for the musician to make a profit?
A) x > 110 B) x > 120 C) x > 130 D) x > 140
B) x > 120
Mathematics
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Solve the system using the graphing method. -3x - 3y = -6 18x + 18y = 36 
A. {(6, 6)}
B. {(-6, -6)}
C. Infinite number of solutions
D. ?
Mathematics
Factor:
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Solve the problem.How much interest will have to be paid on a loan of $17,318 for 10 months at a simple interest rate of 11.1% per year?
A. $1441.72 B. $1615.38 C. $1601.92 D. $1762.11
Mathematics
Use the vectors in the figure below to graph the following vector. 
z - v 
A. 
B. 
C. 
D. 
Mathematics