Insert y and you get
X=0
Then insert x and you get
Y=-5
4 Hours because he has already done two hours worth of work and he only needs six hours to complete it. The rest of the information is just a distraction
The Domains Are 3,3,7,8. You Can Remember This By Remembering That The Domain Is All X Factors And Range Is All Y Factors
6 bagels, 4 students
6 / 4 = 1 1/2 of a bagel for each student