Which expression is equivalent to 9-2?

What is the best way to answer questions with a x expression in the question. for example 3x + 10x=?

Jordan got 27 out of 90 correct on his test . what fraction of the marks did her get correct

Robin spent 25% more time on his research project than he had planned he’s been an extra h ours on the project which of the following expressions could represent the number of hours rob actually spent on the project