Please help with this and explain your answer and how you got it.

Shannon drove for 540 minutes. if she traveled 65 miles per hour,how many total miles did she travel?

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?

What is number 31 as a sum of tens and ones?