A bird flies from the bottom of the canyon that is 81 1/5 below sea level to the nest that is 669 9/10 feet above level what is the difference in a valuation between the bottom of the canyon and the birds nest?

Einstein office equipment has a rental plan for office machines. a fax machine that lists for $722.98 can be rented for 22% of the price annually. the state imposes a usage charge of 3.2%. if stephen hawking travel decides to rent the fax machine, what will its total monthly rental charge be?