Answer:
0
Step-by-step explanation:

Start at (0,84) as your y-intercept because thats what he starts with. Then make a negative slope decreasing by 2 each time the x value is increased by 1
You would have $115 for those 23 weeks you’ve saved!
Answer:
50.265
Step-by-step explanation:
radius is 4 then you put it in A=Pi r^2