Rationalize the denominator. Assume that all variables represent nonnegative numbers and that the denominator is not zero.
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Solve the problem.An auto repair shop charged a customer $349 to repair a car. The bill listed $99 for parts and the remainder for labor. If the cost of labor is $50 per hour, how many hours of labor did it take to repair the car?
A. 5 hours B. 5.5 hours C. 4 hours D. 6 hours
Mathematics
Perform the indicated operation. Write the result in standard form.(8 + 4i) - (1 + 5i) + (8 + 8i)
A. 17 + 17i B. -15 - 9i C. 15 + 17i D. 15 + 7i
Mathematics
Decide whether to write <, >, or = between the pair of numbers.0.5632 
0.576
A. > B. < C. =
Mathematics
Perform the addition or subtraction.(3x4 + 4xy - y3) - (x4 + 6xy + 4y3)
A. 2x4 - 2xy - 5y3 B. 2x4 - 2xy - 3y3 C. 4x4 + 15xy + 3y3 D. 3x4 - 2xy - 5y3
Mathematics