Math question: The sides of a triangle measure 12 cm, 9 cm, and 15 cm. Using Heron's Formula, find the area of the triangle.
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Question: "Graph the logarithmic function f(x) = log(base 2)(x) on the coordinate plane. Identify the coordinates of the x-intercept and the y-intercept if any.
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What is the period of the trigonometric function f(x) = 2cos(3x) in radians?