First, we can write the equation of the line using the information provided:

Now, we can create a table:
Finally, we can graph the line:
y = mx + b, where b is the y intercept.
D, or "12" is the answer.
Best of luck.
The answer is

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Remember to combine like terms.
Hop this helps. c:</span></span>
The area is 336 is you multiply the outer numbers then subtract the numbers on the in side that's what you get