What is the equation of this circle in standard form? a(x + 5.5)2 + (y + 4)2 = 3.5 b(x + 5.5)2 + (y + 4)2 = 12.25 c(x − 5.5)2 + (y − 4)2 = 12.25 d(x − 5.5)2 + (y − 4)2 = 3.5