A scuba diver dove from the surface of the ocean to an elevation of −89 9/10

feet at a rate of −25.7 feet per minute. After spending 13.25 minutes at that elevation, the diver ascended to an elevation of −18 9/10

feet. The total time for the dive so far was 20 1/8

minutes. What was the rate of change in the diver’s elevation during the ascent? Round your answer to the nearest hundredth.

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Answer:Step-by-step explanation:He ascended 71ft and it took him 6.88 minutes to do so