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The submarine Nautilus is at 427 feet below the surface of the water, and the submarine Explorer is 452 feet below the surface. What is the difference between the position of the Nautilus and the Explorer?

feet


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   x    (   ) π DNE
( ) ( ] [ ) [ ] —∞ DNE
< > or All Real Numbers DNE
log logn ln n  | | e 
sin cos tan arcsin arccos arctan  
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