Math Question: Given two triangles ABC and DEF, if angle A is congruent to angle D, angle B is congruent to angle E, and segment AB is congruent to segment DE, what can we conclude about triangles ABC and DEF?
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What is the equation of a hyperbola with a vertical transverse axis, center at (0,0), foci at (0,±6), and vertices at (0,±3)?
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Math Question: What is the 3rd derivative of f(x) = 8x^4 - 7x^2 + 2x - 3?