What is the value of (2^3 + sqrt(16) - 5^(1/2))^2?
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What are the coordinates of the vertices of a hyperbola with a center at (0,0) and a vertical transverse axis with foci at (0,±4) and asymptotes with equations y = ±(2/3)x?
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Math question: In a circle, if a central angle of 75° intercepts an arc of length 4π cm, find the radius of the circle.