What is the speed limit? It is hard enough going the speed limit now you have to figure it out too? What if you solve it wrong? All the people who never took algebra would be getting a lot of tickets. The answer is 45 mph.
Today is Pi Day, for obvious reasons. Pi is a Greek letter representing the ratio of a circle's circumference to its diameter, a mathematical constant. If a circle's diameter is one, its circumference is approximately Happy Pi day.
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