What is the derivative of ∫(x^2 + 3)dx from x = 1 to x = 5?
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What rule states that if two angles and the included side of one triangle are congruent to two angles and the included side of another triangle, then the triangles are congruent?
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What is the radius of a circle if the equation of the circle's function is x^2 + y^2 = 9?