Acommercial jet liner hits an air pocket and drops 280 feet. after climbing 169 feet it drops another 138 feet. what is its overall vertical change
the jet's overall vertical change is feet

Thats where they was ported and the fields that noone really knew much about needed tended, so they put slaves out there do free work and huge profits and so on the north decided to hold its own and was more different way of survival did not have same climate conditions to afford protecting slaves from winter so expenses be diff from south