Solve the problem.An auto repair shop charged a customer $390 to repair a car. The bill listed $75 for parts and the remainder for labor. If the cost of labor is $35 per hour, how many hours of labor did it take to repair the car?
A. 8 hr
B. 9.5 hr
C. 10 hr
D. 9 hr
Answer: D
Mathematics
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Solve using the quadratic formula. Use a calculator to approximate the solutions to the nearest thousandth.5x2 - 20x + 11 = 0
A. 1.158, 3.842 B. 0.658, 3.342 C. -5.175, -2.492 D. -3.675, -0.992
Mathematics
Given the set of real numbers, list the numbers that belong to the given set.{
, 
, -22, 0, 
, 0.95, 5.
}Rational numbers
A. -22, 0, 
, 0.95
B. 
, -22, 0, 
, 0.95
C. -22, 0, 
, 0.95, 5.
D. 
, -22, 0, 
, 0.95, 5.
Mathematics
Use the vertical-line test to determine whether the graph represents a function.
A. Yes B. No
Mathematics
Perform the indicated operation.
A. 10 B. 7 C. -8 D. 8 E. -7
Mathematics