Answer:
B?
Step-by-step explanation:
my best guess! it is the best!
the answer is a, c, and e
(x²-6x)+(y²+8y)=-21
(x²-6x+9)+(y²+8y+16)=-21+9+16
(x-3)²+(y+4)²=4
center=(3,-4),radius=√4=2
It's actually A
