Professor Alle Whet teaches french and has a class of 24 students. Part of his grading system includes an observation of groups of 3 students engaged in a conversation in french. Which concept can be used to determine the number of groups he will have? explain your reasoning g

Read the following: (1) liz has become more responsive to her partner's advances since a really beautiful woman moved in next door; (2) unable to accept his desire for other young men, 15-year-old juan immerses himself into his studies; (3) shauntel tells people that her coworker mary dislikes her; though if she were honest, shauntel would realize that it is actually she who dislikes mary; (4) "ben's nasty; he's disgusting," says renee; but renee secretly finds ben attractive. describe the defense mechanism he or she is using.