Answer:B.
Step-by-step explanation:
B.a translation 2 units to the right and 1 unit up followed by a counter-clockwise rotation 90° about the origin
I'm sorry can you type it out? I can't see it very well
If this a ratio, then the simplified form would be 2cm : 1cm I believe (6/3 = 2 and 3/3 = 1 so 2:1)