PLEASE HELP URGENT!!
A circle is defined by the equation given below
12 + y2 - 1 - 2y - W = 0
What are the coordinates for the center of the circle and the length of the radius?
On ( -1), 2 units
OB. (..), 2 units
oc. , -1), 4 units
OD. (),1), 4 units