Helpppppppp pleaseeeeeeee and can you give an explenations also?

Answer:
B
Step-by-step explanation:
A(-3 , 3) -> A'(-9 , 9)
B(3 , 3) -> B'(9 , 9)
C(3 , 0) -> C'(9 , 0)
A'B'C' is a dilation of ABC about the origin with factor of 3
ΔA'B'C' ~ ΔABC: all the corresponding angles are the same measurement