At the time they took office, ronald reagan and james buchanan were the oldest us presidents. reagan was 4 years older than buchanan. the sum of their ages was 134. determine reagan's age and buchanan's age at the time each man took office

Fred and gene are hang gliding. fred is 700 feet above the ground and descending at 15 ft/s. gene is decending as shown in the table. interpret the rates of change and initial values of the linear functions in terms of the situations they model. show all work. freds equation is f(x)=-15x+700. ( genes is the table attached)