Trade and agriculture , according to the paragraph of the text , what was trade essential to the Greeks in ancient times?​

Hello, i need compare km^2 and km. what's difference in this?

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?

Use corrrct notations to name the sides