What are the characteristics of the ellipse function with equation x^2/16 + y^2/9 = 1? Explain the major and minor axes, center, vertices, co-vertices, and foci.
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What is the formula for finding the perimeter of a regular hexagon with a side length of 's'?
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What is the slope-intercept form of the line passing through (-2, 5) and (4, 3)?