I believe it is B, as C and D both are based on the number of books sold while the only variable to determine the amount of money she earns are the additional doors she knocks on.
Answer:
its the one where the line starts at 50
Step-by-step explanation:
It is given in the question that
The gas tank of Tyrell's truck holds 19.8 gallons. when the tank empty, Tyrrell fills it with gas that costs $3.65 per gallon.
It means cost of one gallon of gas is $3.65 .
And the tank hold 19.8 gallon . So cost of 19.8 gallon is

Therefore about $72.27 it will cost to fill the tank .
-4 + 3 = 7
8=8
(7,0) = DISTANCE BETWEEN THEM