X diminished by 5 is less than 8

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

Perry observes the opposite parallel walls of a room in how many lines do the plains containing the walls intersect

What is the slope of the line that has an equation of y equals x -3