Please i need help if you know it please let me know how you got it if u want if u dont its finee

4. find the geometric mean of 4 and 12. 24 8

12x + 1 = 25 solve the following equation. then place the correct number in the box provided.

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