PLEASE HELP FAST WILL MARK BRAINLIEST PLEASEEE

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

Express in the simplest form: (x^2+9x+14/x^2-49) / (3x+6/x^2+x-56)

Complete each sentence with the correct form of the verb ser or estar to say where the following people are from or where they are right now claudia y maria en méxico