Answer:
Step-by-step explanation:
<u>Step 1: Set y to 15 and solve</u>
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<em>Add 10 to both sides</em>
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<em>Multiply both sides by 5</em>
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Answer: 
Slope = (y2-y1)/(x2-x1) = (8-2)/(3-1) = 6/2 = 3. So the answer is c.
The answer is 65 if your wondering why you have to put the numbers from least to greatest then find the one that is in the middle