Answer:
C=x+200
the y intercept is 200.
the y intercept represents $200 after 0 phones
Final price = whole sale price+ 8% whole sale price
24.50 +(8/100 × 24.50)
24.50 + 196=$ 26.46
I'm sorry you need to be more clear I don't understand the question.
The volume is 905.32 i believe
12(12)=144, 144(3.14)=452.16, 452.16(6)=2712.96, 2712.96/3=904.32