What is the cosine of an angle in a right triangle, given that the adjacent side measures 15 cm and the hypotenuse measures 17 cm?
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Math question: Find the equation of the basic shape represented by the graph with a vertex at (2, -3) and passing through the point (4, 1). (Assume a linear function)
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Question: "What is the factored form of the quadratic expression 3x^2 + 7x + 2?"