Question 2 5 pts
1. It was 8 degrees at nightfall. The temperature dropped 10 degrees by
midnight. What was the temperature at midnight?
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2. A diver is 25 feet below sea level. After he swims up 15 feet toward the
surface, what is his elevation?
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The physical fitness of an athlete is often measured by how much oxygen the athlete takes in (which is recorded in milliliters per kilogram, ml/kg). the mean maximum oxygen uptake for elite athletes has been found to be 60 with a standard deviation of 7.2. assume that the distribution is approximately normal.

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