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Mathematics 20 Online
OpenStudy (anonymous):

What is the slope of the line between (3, -4) and (-2, 1)?

OpenStudy (anonymous):

In order to determine this, you can use the formula y2-y1 / x2 - x1 1 + 4 / -2 - 3 = 5 / -5 = -1 Does that make sense?

OpenStudy (anonymous):

Eric has been donating books he no longer needs to his local library. After 3 months of donating, he had 157 books left in his room. After 8 months of donating, he had 102 books left in his room. How many books per month did Eric donate on average between months 3 and 8?

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