What is the equation of an ellipse if the major axis is horizontal with a length of 8 units, the minor axis is vertical with a length of 6 units, and the center is at (2, -3)?
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Math question: Solve for x: logₐ(x+2) + logₐ(x-1) = 3
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Math question: In a circle, if a diameter is perpendicular to a chord, what is the measure of the angle formed by the chord and the circumference?