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The mean of a set of data is -3.82 and its standard deviation is 2.31. find the z score for a value of 3.99.
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The length of a rectangular piece of land is 92 yards more than three times its width. the perimeter is 760 yards. find its dimensions.
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A50-foot ladder is leaning against a vertical wall. if the base of the ladder is 45 feet from the base of the wall, find the angle the bottling of the ladder makes with the ground.
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A^{-7}b^2c^{-1} rewrite using positive exponents...
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