I believe the answer is <span>$30 a week</span>
Answer:
There wouldn't be a fraction form because its a whole number which is 9
The y-intercept is where on the graph the line is intersecting the y=axis. Slope is in the form y=mx+b (b=y-intercept, mx=how far up and over.)
The radius is half the diameter, so the formula would be r=d divided by 2