What are three types of social mobility present in the American Society?

Please include the following questions in the essay. 

Please read the question for this discussion thread carefully and answer it in details. 

1. Class Inequality: What are three types of social mobility present in the American Society? Give at least one example of each mobility. (6 points)

2. Gender Inequality: What is Glass Ceiling? How does it apply to women? Please quote the textbook. (2 points)