Solve the problem.Bob owns a watch repair shop. He has found that the cost of operating his shop is given by 
, where x is the number of watches repaired. What is his minimum cost?
A. $318
B. $254
C. $127
D. $159
Answer: C
Mathematics
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Solve the problem.Find the supplement of 73°.
A. 17° B. 197° C. 287° D. 107°
Mathematics
Tell which set or sets the number belongs to: natural numbers, whole numbers, integers, rational numbers, irrational numbers, and real numbers.17
A. whole, rational, real B. integers, rational, real C. natural, whole, integers, rational, real D. real
Mathematics
Solve the equation.
= x2 + 7x
A. -8, -6 B. 0, -6 C. 0, -8 D. 0, -8, -6
Mathematics
Insert <, >, or = to make the statement true.- 
- 
A. < B. = C. >
Mathematics