Question

am i right?
http://prntscr.com/d33it9

Answer 1

yes

Answer 2

you sure?

Answer 3

to check u can plug in 2 points and see if its satisfies

Answer 4

(0,100)
(5,75)

5x+y=100
5*+100=100 true

5*5 + 75 = 100 true

Answer 5

one of those equations should read, sry for confusion
5*0+100=100 true