Solve the problem.An auto repair shop charged a customer $532 to repair a car. The bill listed $92 for parts and the remainder for labor. If the cost of labor is $55 per hour, how many hours of labor did it take to repair the car?
A. 7 hr
B. 9 hr
C. 8.5 hr
D. 8 hr
Answer: D
Mathematics
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Express the given function as a composite of functions f and g such that y = f(g(x)).y = (-2x - 17)2
A. f(x) = x2, g(x) = -2x - 17 B. f(x) = (-2x)2, g(x) = -17 C. f(x) = -2x - 17, g(x) = x2 D. f(x) = -2x2, g(x) = x - 17
Mathematics
Use a calculator to estimate the limit.
A. Does not exist
B. 3
C. 
D. 0
Mathematics
Add.5 + 0
A. 10 B. 5 C. 1 D. 0
Mathematics
Solve.
x2 - 
x - 
= 0
A. 
B. 
C. 
D. {5}
Mathematics