Yes this is equal because 3v+v is 4v and if you divide 12v by 3 you also get 4v
House=600+12lot
lot=x
house=600+12x
answer is first expresion
The Y-intercept is showing how many candy bars were sold in 2000 since x is every year after 2000 (hope that makes sense)
the answer would be y = 2x + 1
