Answer this correctly which is the correct options

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 properties allow transformation to be used as a problem solving tool

At a sale this week, a desk is being sold for $213. this is a 29% discount from the original price. what is the original price?