Find the equation of the circle passing through the points (0,0), (4,0), (0,3). Also, find its center and radius.
a. (x² + y² = 9), Center: (2, 1.5), Radius: 3
b. (x² + y² = 25), Center: (4, 2), Radius: 5
c. (x² + y² = 10), Center: (1, 2), Radius: 3
d. (x² + y² = 18), Center: (3, 3), Radius: 4