It has flat scaling, meaning you will have to get a raw of over 90 to secure a potential b6 which will then be compared to your internal performance ofc.
lol doubt you would be caught for plagiarism because:
-teachers mark multiple papers
-analysis always varies due to the question on the day even if you have memorised the essay
-so many people use the same quotes and therefore the analysis would be somewhat similar therefore hard to conclusively...