Please help me. my mom got mad at me cause I don't know anything in Pre Cal. (what I am in)

One line passes through (-7,-4) and (5,4) . another line passes through the point (-4,6) and (6,-9)

Michael is training for a marathon. in his first week he plans to run 8miles. what path should he take

Let d be the domain and let ƒ be the possible function. determine if the relation is an example of a function. d = {x| x is a date, expressed in day/month/year} ƒ(x) = temperature in seattle washington on that date