Answer:
B
Step-by-step explanation:
The answer would be B, because the y-intercept is positive. To double check I used an online graphing calculator and it is correct.
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-22 is your answer because all you have to do is take 4 away from -18 and you get -22
The area of the triangle is 270 centimeters. The way that I found that out is the equation 30x18/2