Math question: Given triangle ABC, angle BAC is bisected by the angle bisector AD. If angle BAC measures 60 degrees, what is the measure of angle BAD and angle CAD?
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Math question: "What is the equation of the parabola that opens upward, passes through (1, 4), and has its vertex at (2, 3)?"
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Math question: Evaluate the limit as x approaches 2 of (3x + 6)/(x^2 - 4), where x ≠ 2.