There is somebody walking behind us. i think. ?

Tell them to back off in a stern voice.

Explanation:

Solution: Sternly tell them to go away. If they do not listen, call the police, or go to a an area where there is a lot of people(ex. Walmart, Kroger).

the narrator is saying that the old lady made her feel uncomfortable. you know this because they say "i found that rather irksome", "perhaps it was her being so upright and trim", and "i don't think it was that, because i thought that quaintly pleasant." hope this !

based on the graph, people who are asian/ pacific islander, are better at math than the other race/ethnicity's on the graph.