Write fraction in lowest terms.38 minutes is what fraction of an hour?
A. 
B. 
C. 
D. 
Answer: B
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Convert the units.49.7 g = 
kg
A. 49,700 kg B. 4970 kg C. 0.00497 kg D. 0.0497 kg
Identify the figure as a line, segment, or ray. Then use the correct symbol to name the figure.
A. line segment; 
B. ray; 
C. ray;
D. line; 
Match the given equation with one of the graphs.x2 - y2 = 81
A. 
B. 
C. 
D. 
Solve the problem.To remodel a bathroom, a contractor charges $30 per hour plus material costs, which amount to $4680. Therefore, the total cost to remodel the bathroom is given by 
where x is the number of hours the contractor works. Find 
What does 
compute?
A. f -1(x) = 
- 4680; This computes the number of hours worked if the total cost is x dollars.
B. f -1(x) = 
- 4680; This computes the total cost if the contractor works x hours.
C. f -1(x) = 
- 156; This computes the number of hours worked if the total cost is x dollars.
D. f -1(x) = 
- 156; This computes the total cost if the contractor works x hours.