Solve.Bob owns a watch repair shop. He has found that the cost of operating his shop is given by 
where c is cost and x is the number of watches repaired. How many watches must he repair to have the lowest cost?
A. 48 watches
B. 20 watches
C. 29 watches
D. 58 watches
Answer: A
Mathematics
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A. 2,499,010 B. 2,510,010 C. 2,500,110 D. 2,500,010
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Evaluate the expression for the given replacement values.5 + (3y - 3)
for y = -6
A. -16 B. -10 C. -14 D. -4
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Evaluate the expression for the given replacement values. Write the answer in simplest form.xy for x = 
, y = 
A. 
B. 
C. 
D. 
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Find A-1 if it exists.A = 
A. 
B. 
C. 
D. Does not exist
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