The purpose of an essay is determined by your goal as a writer, as well as your subject matter.
There correct answer would be
Mr. Peters sat between Molly and I; object of a preposition
From an out groups perspective depending on what type of people they are they could be considered mean, or crazy silly goofy or really settle people but from the out groups perspective they’ll never actually truly know your group so they can only place judgment for what they see and it could be many things as well as just being a overall good friend group
40,000,000 pounds, a ton is 2000 pounds, so just multiply