WHAT IS 10/10 AND 20/20 I NEED HELP ON THIS MULTICATION

If the simple annual interest rate on a loan is 6, what is the interest rate in percentage per month?

Last one and the bottom answer choice is y=(x-4)^2+1 you guys!

In dire need~! describe how to use area models to find the quotient 2/3 divided by 1/5. check your work by also finding the quotient 2/3 divided by 1/5 using numerical operations only.