Solve the problem.An auto repair shop charged a customer $425 to repair a car. The bill listed $65 for parts and the remainder for labor. If the cost of labor is $40 per hour, how many hours of labor did it take to repair the car?
A. 9.5 hr
B. 8 hr
C. 10 hr
D. 9 hr
Answer: D
Mathematics
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Write the inequality in interval notation.-6 < x ? 1
A. [-6, 1) B. (-6, 1] C. (-6, 1) D. [-6, 1]
Mathematics
Find the unit price.3 days at a waterpark costs $489.
A. $148/day B. $163/day C. $173/day D. $188/day
Mathematics
Estimate and find the actual difference expressed as a mixed number in simplest form.8
- 
A. Estimate: 8; Actual: 7
B. Estimate: 9; Actual: 8
C. Estimate: 7; Actual: 7
D. Estimate: 8; Actual: 8
Mathematics
Without graphing the function, determine its amplitude or period as requested.y = 2 cos 
xFind the period.
A. 6?
B. 
C. 
D. 2
Mathematics