Lonely and single 15 year old girl

The general form of the quetion of a circle is ax^2+by^2+cx+dy+e=0 where a=b=0 if the circle has a radius of three units and the center lies on the y axis which set of values of a, b, c, d, and e might correspond to the circle

Jacks bank statement shows an account balance of -$25.50. which describes the magnitude, of size, of the debt in dollars

The table shows the balance of a money market account over time. write a function that represents the balance y (in dollars) after t years.