Answer:
1. y=3x-1
Step-by-step explanation:
y=mx+b
y=output
m=slope
x=input
b=y-intercept
I would say C 9 because the only term with a 9 in it is 9f4g
$180 taken away from $450 is $220. the rest i'm not quite sure because there wasn't a given price for the music.
