What is the value of the square root of 16 minus the square root of 4?
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What is the equation of a hyperbola with its center at (2, -3), vertices at (2, -5) and (2, -1), and asymptotes given by the lines y = x - 1 and y = -x - 5?
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What is the probability of rolling a 5 on a fair, standard six-sided die?