Which equation has a graph that is a parabola with a vertex at (5, 3)?

Which equation has a graph that is a parabola with a vertex at (5, 3)?
a. y = (x – 5)2 + 3
b. y = (x + 5)2 + 3
c. y = (x – 3)2 + 5
d. y = (x + 3)2 + 5