culture can mean many different things like how peoples dress, eat, religion, celebrates etc. Like we Americans we wear jeans and eat chicken , burgers and some of us believe in god while some believe in other things . culture is very very very important to different parts of the world
The university is of a high class
There are several things Sean should do:
1. Talk with his teacher. Sean should see if his teacher can explain where he went wrong on the homework assignment to help him understand how to fix his mistakes.
2. Sean should study in a way that helps him retain the material: this includes repetition of the vocabulary and ideas, re-writing notes to get a physical to mental connection between the information and his brain, and possibly making up rhymes/songs/mnemonic devices to help bring new ways of remembering the material.