What is the equation of an ellipse with a major axis of length 10 units, minor axis of length 6 units, centered at (2, -3), and tilted at an angle of 45 degrees with the positive x-axis?
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How many diagonals can be drawn from any vertex in a polygon with 10 sides?
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What is the probability of obtaining exactly 4 heads in 6 coin tosses, given that the probability of getting a head in a single toss is 0.5?