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Mathematics, 21.06.2019 18:00
In the xy-plane, if the parabola with equation passes through the point (-1, -1), which of the following must be true?
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Mathematics, 21.06.2019 21:30
Two airplanes start at the same place and travel in opposite directions,one at 395 miles per hour and the other at 422 miles per hour. how many hours will it take for the planes to be 2451 miles apart?
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Mathematics, 22.06.2019 04:50
The length of a lap is 15 meters. if lisa wants to swim 450 meters this week,how many laps must she swim
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