Question: Find the derivative of f(x) = 5x^3 - 2x^2 + 7x - 9 using the basic rules of derivatives.
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Question: Simplify the expression (16/5) - (7/3) + (9/10), and write the result as a mixed number. How many factors does the resulting mixed number have?
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What is the hypotenuse of a right triangle with legs measuring 3 and 4 units?