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The mean of eight numbers is 40 and the mean of other twelve different numbers is 30. What is the mean of all the twenty numbers?
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What is the slope of the line that contains the points (-2,1) and (0,-3)
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4. bob solved the inequality problem below incorrectly. explain his error and redo the problem showing the correct answer. ? 2x + 5 < 17 ? 2x + 5-5 < 17-5 -2x/-2 < 12/-2 x < -6
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The mean of eight numbers is 40 and the mean of other twelve different numbers is 30. What is the me...
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