I did the math and I believe the answer is, the y-intercept is 12.3.
Let
x---------> represent the number of miles Troy's has driven
y--------> represent the amount of gas in Troy's truck
we know that
the equation that represents the amount of gas, y, in troy' s truck after driving a certain number of miles, x is

where
m is the slope---------> 
in this problem the slope is equal to 
it's negative because the tank is going to be consumed
assuming he starts with a full tank

substitute in the formula above

therefore
the answer is
the equation 
Answer:
C
Step-by-step explanation:
I just took the quiz !!
Answer:
Heyyyyyy :)
A) Both were members of the American Anti-Slavery Society
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Answer:
How did the Silk Road connect China to the rest of the world?
Step-by-step explanation:
How did the Silk Road connect China to the rest of the world? How did the Silk Road connect China to the rest of the world? How did the Silk Road connect China to the rest of the world? How did the Silk Road connect China to the rest of the world? How did the Silk Road connect China to the rest of the world?