Plz help :] it's for my geometry class! It'd due tomorrow!

The legs of a right triangle measure 6 meters and 8 meters. what is the length of the hypotonuse.

Atown has a population of 12000 and grows at 3.5% every year. what will be the population after 7 years, to the nearest whole number?

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?