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On vacation Stacy hiked to the 9021 foot summit of Haleakala volcano in Hawaii. The next day she went scuba diving at a depth of 42 feet below sea level. What is the difference between the elevation of the summit of Haleakala and the depth Stacy dove?

feet


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