Distribute to create an equivalent expression with the fewest symbols possible. 3(7x+1)=

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.

We just started the introduction into circles and i have no idea how to do this.

Find solution of the linear equation y = 2/3x + 1/3