 This study involves the use of oxaliplatin, capecitabine, and sorafenib which are all drugs approved by the Food and Drug Administration FDA for use in the treatment of different cancers. Their use in this exact combination is considered experimental for the treatment of pancreas and biliary tract; however the combination has been tested in a preliminary trial. We are also testing a survey designed. The purpose of this research study is to investigate the chemotherapy drug sorafenib in combination with oxaliplatin and capecitabine chemotherapies for the treatment of pancreas and biliary tract cancers.to help patients report their side effects from chemotherapy treatments. 