Solve the problem.A retailer finds that total costs per day are given by 
where c is cost and n is units sold. What is c when no units are sold?
A. $210
B. $3150
C. $421
D. $196
Answer: D
Mathematics
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What will be an ideal response?
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Solve the system by the elimination method or a combination of the elimination and substitution methods. x2 - xy + y2 = 32x2 + xy + 2y2 = 12
A. {(1, 0), (-1, 0)} B. {(2, 0), (-2, 0), (1, 0), (-1, 0)} C. {(2, 1), (-2, -1), (1, 2), (-1, -2)} D. {(2, 1), (1, 2)}
Mathematics
Solve the equation by the method of your choice.2x2 + 10x = - 5
A. 
B. 
C. 
D. 
Mathematics
Expand the expression using the Binomial Theorem.(fx + gy)5
A. f5x5 + 5f3g2x3y2 + 5fg4xy4 + g5y5 B. f5x5 + 5fgx4y + 10f3g2x3y2 + 10f2g3x2y3 + 5fgxy4 + g5y5 C. f5x5 + 5f4gx4y + 10f3g2x3y2 + 10f2g3x2y3 + 5fg4xy4 + g5y5 D. f5x5 + g5y5
Mathematics