12.
yintercept at 3
eliminate J
slope=rise/run
we see it do, rise=3, run is 4 so slope is 3/4
y=3/4x+3
it should be F, but there is no x
13. calculate, 3, 5, and 7 for laurel
y=10(3)+100=30+100=130<180
y=10(5)+100=50+100=150<200
y=10(7)+100=70+100=170<220
eli's income is higher
A is answer
12. F should be answer, but there is no x
13. A is answer