What is the probability that a randomly selected person from a group of 100 has the same birth month as you?
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Math Question: In a right triangle, the adjacent side has a length of 5 units and the hypotenuse has a length of 13 units. Find the length of the opposite side.
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What is the derivative of f(x) = 3x^4 - 2x^3 + 8x^2 - 6x + 9?