What is the equation of a line passing through points (2, 4) and (5, 10)?
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What is the average weight (in pounds) of a sample of 20 students, given their weights: 135, 140, 145, 150, 155, 160, 165, 170, 175, 180, 185, 190, 195, 200, 205, 210, 215, 220, 225, and 230?
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What is the length of the altitude of a triangle if the base is 10 units and the corresponding height is 8 units?