Can SOMONE help ASAP I don’t understand the diameter of a circle plz show me how y’all got the awswer plz It’s the top one

Linet passes through (4.5) and is perpendicular to the line shown on the condirate grid.what is the equation of line t in standard form?

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.

Graph y = -|x| + 2. click on the graph until the correct one appears.