I need help ASAP #2-6 pls help me

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

Which of the following would be a good name for the function that takes the weight of a box and returns the energy needed to lift it?

Convert the mixed numbers into improper fractions. convert the improper fraction to mixed numbers.