Math question: How many different ways can a committee of 3 members be formed from a group of 10 people?
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Question: Determine the equation of a parabola that opens upward, has its vertex at (3, -1), and passes through the point (2, 5).
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What is the resultant displacement when a vector with a magnitude of 65 units is added to another vector with a magnitude of 45 units, given that they are in opposite directions?