There is nothing to find at the posted coordinates- the cache is hidden within a mile of them. Thanks to Ether Bunny for this idea.
You can check your answers for this puzzle on Geochecker.com.
1. Thvqr Fgne Pngnybt
2. EN/Qrp
3. J71.2=-71.2=288.8
4. Ner lbh fghzcrq?