Ascuba diver is swimming 30 feet below sea level. a hang glider passes over the position of the scuba diver. the hang glider is 215 feet above sea level. what is the distance between the scuba diver and the hang glider? a) 185 feet b) 245 feet c) -185 feet d) -245 feet

He ! a group of farmers planned to clean 80 acres of wheat per day to finish the work on schedule. right before the work started, they received a new piece of machinery that them clean 10 more acres per day than originally planned. as a result of increased productivity in the last day before the deadline they only had to clean 30 acres. how many acres of wheat did the group of farmers have to clean?