Write the equation for the circle with center (1, 1) and radius 5.


a. (x - 1)2 + (y - 1)2 = 5


b. (x - 1)2 + (y + 1)2 = 25


c. (x - 1)2 + (y - 1)2 = 25


d. (x + 1)2 + (y - 1)2 = 25