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Library
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A DVD player is on sale for 15% off the regular
price of $135. After the price reduction, a
5% sales tax is added. How much will a customer pay?
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Which expression is not equivalent to 7?
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Which number is irrational?
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Which expression represents 270,000 written in scientific notation?
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The diameter of a pollen grain from a flower can range from 0.0000004 inches to 0.00002 inches. Which of the following would be an equivalent description of the range of the diameters of pollen grains?
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A recipe for cookies calls for 2 cups of flour to make 6 cookies. Which proportion can Mary use to find the number of cups of flour she needs to make 10 cookies?
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Andrew’s parents follow a regular schedule for taking care of their new car. They change the oil every 3,000 miles, rotate the tires every 10,000 miles and replace the windshield wipers every 15,000 miles. After how many miles will they first have to change the oil, rotate the tires and replace the windshield wipers all at once?
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The model represents two fractions. Which equation shows the sum of these two fractions?
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Which expression shows the prime factorization of 112?
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The model shown represents an operation performed on 0.4 and 0.5. Which operation does this model represent?
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