What is 7/12 divided by 14/15

What is not true about kl and mn? what is mn? (show your work)

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.

What is the value of f(x) = 2.2 for f(-2)?