Math Question: Consider the quadratic function f(x) = ax² + bx + c. For a = 1 and c = 4, what is the value of b such that the graph of f(x) passes through the vertex (2, 6)?
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What is the sine (Sin) value of angle 45 degrees on the Trigonometric table?
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Find the area of a triangle with base of length 10 units and height of 8 units.