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Discover Questions

The mass of a 45.750 g piece of copper? The sum of the two roots of the equation 2x^(3)-x^(2)-7x-3=0 is 1 find the roots of the equation? Vatican knows about planet X, the world will see January 2018? What was a day in the life of a dinosaur (especially 24 hours in a day on Earth) really like during the actual time of the dinosaurs? How to do Pythagoras therom?