Answer:
y-intercept is 30
Step-by-step explanation:
Given the model 
comparing this model to the equation of a straight lines we can get the y- intercept
The y- intercept is 30 which is the constant factor and it describes to us about the one-time registration fee of $30.
This is a two step word problem so first your gonna have to subtract 320-50= 270 then divide to find your final answer so 270 divided by 8 is 33.75
This is the answer I hope this will help you
