Solve.An auto mechanic charges a customer an hourly rate of $45 plus the cost of parts for auto work. If the cost of parts $85 and the job required 5 hours, what did she charge the customer?
A. $310.00
B. $130.00
C. $225.00
D. $26.00
Answer: A
Mathematics
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A. 2
B.
C. 1
D.
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Solve the equation.log (5 + x) - log (x - 4) = log 4
A.
B. {-7}
C. {7}
D. ?
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Solve the inequality. Write the solution in interval notation. ? 0
A. [-2, 0) ? [2, ?) B. (-?, -2] ? (0, 2] C. [-2, 0) ? (0, 2] D. (-?, -2] ? [2, ?)
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Find the derivative.y =
A. tan3/2 x
B.
C. sec x tan3/2 x
D. sec2 x
Mathematics