What is the resultant displacement in a coordinate system when a vector of magnitude 10 and direction 30 degrees is added to a vector of magnitude 8 and direction 120 degrees?
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Math Question: Find the absolute extrema of the function f(x) = x^3 - 6x^2 - 15x + 10 on the interval [-2, 5].
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Math Question: Solve the inequality 5x - 2 > 18 and express the solution set using interval notation.