Which of the following gives all of the coefficients of the algebraic expression

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

What is best way to getting answer for my exam is

Find and simplify an expression for the area of five rows of x squares with side lengths of x centimeters.