Acircle has the equation (x−13)2+(y−1)2=4.
a: what is the center of the circle?
b: what is the radius of the circle?

select two answers: one for question a, and one for question b.

b: 2–√
b: 4
a: (13,1)
a: (−13,1)
b: 2
a: (−13,−1)
a: (13,−1)