The 3rd-person omniscient narrative voice is most likely being employed here. The writing is in the 3rd person, and the narrator apparently can give access to Chad's thoughts, which suggests that the narrator is writing from a perspective that knows everything related to the story.
This question could go either way. A hero is just a person "idolized for being courageous". This could mean a role model, or successful person, or even a super hero. If you are talking about a super hero, technically they don't have responsibilities because they are not required to use their powers to help anyone.
Hi!!
To find this, we just divide 120 / 10. So, your answer is 12.
Hope this helps!! ☺♥