Question: In triangle ABC, the angle bisector of angle A intersects side BC at D. If the measure of angle B is 60 degrees and the length of BD is 8 units, what is the length of DC?
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What is the dot product of vector A (2, 4, -1) and vector B (3, -2, 5)?
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What is the slope-intercept form of the linear function passing through points (2, 5) and (4, 9)?