Last month, Mr. Douglas sold 36 of his books. This month, however, he only sold 8 books. What was the percent change in book sal
2 answers:
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Answer:
The slope is 4 and y-intercept is actually 3... (I hope)
Remember rise over run, here you can see that it goes up 4 and over 1.
I am so sorry, I'm not good at explaining
