Question: For a circle with equation x^2 + y^2 = r^2, if the radius is 5, find the value of y when x = 3.
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Math question: What is the volume of a cube with side length "s" using the formula V = s^3?
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What is the equation of a hyperbola with a center at (2, -3), a vertical transverse axis of length 8, and a distance of 6 units from the center to the vertices?