Question: A bird flies 150 meters due east and then changes direction to fly 90 meters north. What is the bird's net displacement?
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What is the value of x if f(x) = log x, and f(x) = ln x?
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Math question: What is the smallest integer solution (if any) to the equation x^n + y^n = z^n, where x, y, z, and n are positive integers greater than 1?