Answer:
c
Step-by-step explanation:
That would be 6 *3 - 8*0 = 18
Its D
Answer:
Step-by-step explanation:
First, we write the rental cost with each company:
Company A 
Company B 
Where m: miles travelled
Now, we need to find "number of miles in a day at which the rental costs for Company A and Company B are the same". This means Pa = Pb. Then:

Solving the equation for m by taking 0.2m and 60 on both sides:


Finally, dividing 0.5 on both sides:

9 has the greatest value because it’s positive