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A submarine traveling at 9.0 mph is descending at an angle of depression of 7 degrees. How many minutes, to the nearest tenth, does it

A submarine traveling at 9.0 mph is descending at an angle of depression of 7 degrees. How many minutes, to the nearest tenth, does it take the submarine to reach a depth of 150 feet? Be sure to include a sketch. Use the following conversion: 1 mile = 5280 ft.

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