Answer:
A good way to examine the trustworthiness of any news source is to compare it to other sources covering the same story. Then you can analyze for bias and form your opinion from a more objective point of view.
I haven’t read it, but sparknotes, cliffnotes, gradesaver, and shmoop are lifesavers
Cannot is formal, while can't in informal.
"Cannot" and "can not" are interchangeable, but when you are asking question for example:
"why can't I...", you can also say "why can I not..." (which is more formal), but you can't say "why cannot I..."