Math question for finding the length of an angle bisector: Given a triangle ΞABC with angle C bisected by line segment AD, if AB = 8cm, AC = 12cm, and BD = 6cm, find the length of CD.
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Find the slope-intercept equation of a line passing through (2, 5) with a slope of 3.
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Question: Calculate the z-score given a data value, mean, and standard deviation.