What is the average monthly temperature (in degrees Celsius) in a city if the temperatures for the past 6 months are 20°C, 18°C, 22°C, 24°C, 16°C, and 19°C?
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How do you find the area of a rectangle with length 8 cm and width 5 cm?
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What is the equation of an ellipse with a major axis of length 8 and a minor axis of length 4?