What is the best estimate of the difference? (34/8-16/3) - 14/9 a)-3 b)-2 1/2 c)7 d)7 1/2

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.

Write the point-slope form of the line passing through (2, -12) and parallel to y=3x.

What is r i 4.5+10r=-6.5 with work pls