Rhetorical questions add a level of cheesiness to the paper and unless you are a very good writer, and I mean college professor level, then you will most likely fail at any attempt. Also writing research papers your suppose to be telling the reader what they don't know instead of asking them what is already do know.

Because the ladder was in flat position not in slant.

The sentence "Yeah, but there was too much to study. <span>I guessed on all the answers! Now I’m just keeping my fingers crossed." shows bad study habits.</span>