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Mathematics, 25.02.2022 02:40 andrewpjryan871

A submarine is currently $20$ feet below sea level and descends at a rate of $7$ feet per second. What will be the altitude, in feet, of the submarine after $30$ seconds?

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A submarine is currently $20$ feet below sea level and descends at a rate of $7$ feet per second. Wh...
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