Math question: What is the equation for a parabola that opens downward with vertex at (2, -5)?
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Math question: What is the equation of a parabola with its vertex at (2, -3) and a vertical axis of symmetry?
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What is the length of a side of a triangle if its adjacent angle measures 40 degrees, the opposite angle is 80 degrees, and the opposite side is 6 units long?