Give a geometric description of the following set of points. x2 + 12 +z2- 6x-18y - 122571 Select the correct choice and fill in the answer boxes within your choice. (Type exact answers.) O A. All points outside the sphere centered at with radius O B. All points on or outside the sphere centered at with radius O c. The sphere centered at with radius O D. The ball centered at with radius O E. The single point