Answer:
as many as there is possible
I believe the Correct answer is B if I’m right please mark me as brainliest
<h3>
Answer: Choice A 
</h3>
The R stands for "rotation". The "O" as a small subscript means "origin" which is where the x and y axis cross. The 90 degrees means we rotate 90 degrees counterclockwise. This is equivalent to 270 degrees clockwise, but writing
is not correct as we don't rotate 270 degrees counterclockwise.
It would seem that the third answer would be right but I am only 60% sure if you do not know the answer for sure, choose C but if you would rather get the 100% answer just wait