What is the length of the hypotenuse in a right triangle when the two legs measure 5 units and 12 units?
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What is the volume of a sphere with a radius of 6 units?
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What is the equation for the standard form of a hyperbola with a center at the origin, a horizontal transverse axis, vertices at (3,0) and (-3,0), and foci at (5,0) and (-5,0)?