Would a verticle line be a relation, a function, both a relation and a function, or neither a relation nor function

Which of the following answers is 5/25 simplified? 1/5 5/5 2/5 1/25

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.