What is the length of the hypotenuse of a right triangle, given that one leg measures 4 units and the other leg measures 7 units?
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Find the integral of f(x) = 3x^2 + 4x - 1.
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Question: What is the perimeter of a circle with a radius of 5 units, a rectangle with length 10 units and width 5 units, and a parallelogram with base 8 units and height 6 units?