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What is the mass of an atom that has 7 protons, 7 neutrons, and 7 electrons
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The focus of parabola is (-4, -5), and its directrix is y= -1. fill in the missing terms and signs in parabolas equation in standard form
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Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.
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What is the mass of an atom that has 7 protons, 7 neutrons, and 7 electrons...
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