N-13=2;n=15 ecuación variable

Complete the standard form of the equation that represents the quadratic relationship displayed above, where a, b, and c are rational numbers.

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 x? assume that the line is tangent to the circle.