Divide. Write with positive exponents.

A. -2 - 18x6
B. 6x9 + 
C. -2 +  
D. -2 + 6x3


Answer: C

Mathematics

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Perform the indicated operation.(-9)(-10)(-9)

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A child weighing 22.5 kg has an IV order for vancomycin. Calculate the q8h per dose dosage if the label states that the total daily intravenous dosage is 40 mg/kg of body weight.

A. 300 mg/dose B. 150 mg/dose C. 900 mg/dose D. 112.5 mg/dose

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Find the probability. Round to the nearest ten-thousandth when necessary.A bag contains 6 cherry, 3 orange, and 2 lemon candies. You reach in and take 3 pieces of candy at random. Find the probability that you have 2 orange candies and 1 lemon candy.

A. 0.3636 B. 0.0303 C. 0.1091 D. 0.0364

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Solve the problem. Round rates to the nearest tenth of a percent and dollar amounts to the nearest cent.A local dealer sells baseballs for $25 each. If $6.90 is the cost, what is the percent of markup on the cost?

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