BRAINLIEST AND 10+ POINTS

Given that ot =5, xt=12, and ox= 13 is xy tangent to circle o at t? explain.

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.

Use sigma notation to represent the following series for 9 terms.