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Devaughn is 13 years younger than Sydney. The sum of their ages is 79 . What is Sydney's age?
Answers: 2
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Which is the equation of an ellipse with directrices at x = ±4 and foci at (2, 0) and (−2, 0)?
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Haruka hiked several kilometers in the morning. she hiked only 66 kilometers in the afternoon, which was 25% less than she had hiked in the morning. how many kilometers did haruka hike in all?
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Devaughn is 13 years younger than Sydney. The sum of their ages is 79 . What is Sydney's age?...
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