Question: What is the vertex form equation of a quadratic function that opens upward, graphed as y = ax² + bx + c, with the vertex at (h,k) = (-2, 5) and a y-intercept of (0, 3)?
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What is the equation for finding the cosine of an angle in the unit circle?
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What is the volume of a rectangular solid with length 4cm, width 6cm, and height 8cm?