Idont know how to do this, can someone me, i have to solve for m1

What is the base of 1/9 to the power of 2

Ricky takes out a $31,800 student loan to pay his expenses while he is in college. after graduation, he will begin making payments of $190.66 per month for the next 30 years to pay off the loan. how much more will ricky end up paying for the loan than the original value of $31,800? ricky will end up paying $ more than he borrowed to pay off the loan.

Which of the following pair(s) of circles have las a common external tangent? select all that apply. a and b a and c b and c