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Are there different kinds of black holes, for instance, 2d black holes (which form accretion disks), 3d black holes, energy black holes, etc? How many feet are in 2 yards? If the sum of a red die and a green die is 8, what is the probability that one of them is at least 5? Feijfwiojejv eewv? How much will I save if I saved $20 every 2 weeks for 7 months?