Question: Find the limit as x approaches 3 of (4x + 5) / (x^2 - 9).
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Math question: What is the rule for congruence of triangles concerning the SAS (side-angle-side) criterion?
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Math question: What is the smallest positive integer value of n that satisfies the equation x^n + y^n = z^n, where x, y, and z are integers, violating Fermat's Last Theorem? (