Math question: What is the coefficient 'a' in the parabola function 𝑦 = ax^2 if the vertex is located at (2, 5) and the function passes through the point (3, 12)?
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Question: What is the equation for the volume of a cone with radius r and height h?
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Math Question: Find the absolute maximum and minimum values of f(x)=3x^2+4x on the interval [-2, 3].