An inference is a conclusion that a reader draws based on evidence in a text.
Answer:
he often complains to his mother after school
The two parts of the passage that are punctuated correctly are:
"What will happen to America’s economy (and its spirit) when high schoolers can no longer work the fast-food jobs and restaurant hostess positions?"
"Like anybody who is inexperienced, the teenage driver must suffer through a legitimate period of self-doubt and skills acquisition."