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Which expression is equivalent to 3^3 + 2^2?

Over which interval is the graph of f(x) = x2 + 5x + 6 increasing?

If two angles of a triangle have equal measures and the third angle measures 90°, what are the angle measures of the triangle? a. 60°, 60°, 60° b. 45°, 90°, 90° c. 30°, 30°, 90° d. 45°, 45°, 90°