
A construction company was paid total 500 for a construction project. The company’s only cost was labor and materials. Was …
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If K is a postive integer,then 20k is divisible by how many different positive integers? 1. k is prime 2. …
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More than 300 rivers drain into Siberia’s Lake Baikal, which holds 20 percent of the world’s fresh water, more than …
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New research by Paul Fildes and K. Whitaker challenges the theory that strains of bacteria can be “trained” to mutate …
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A medieval manuscript called L contains all eighteen extant tragedies by the Greek playwright Euripides. Of these, ten called the …
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If Q is a perfect square of an odd positive integer and if 8Q^8 has four prime factors, then how …
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According to research covering the last decade, the average number of rooms added by highend hotel chains was lower than …
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A construction company was paid a total of $500,000 for a construction project. The company’s only costs for the project …
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A boat traveled upstream 90 miles at an average speed of (v3) miles per hour and then traveled the same …
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City council member: Demand for electricity has been increasing by 1.5 percent a year, and there simply is no more …
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