Question 1101478
{{{mx+b=y}}}



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What is the change in Keisha’s total pay for each copy of English is fun she sells?
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The slope.



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What is Kiesha’s total pay if she doesn’t sell any copies of English is fun?
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The y-axis intercept



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LOOK!
90x+2500=y
COMPARE TO y=mx+b.
What do the different variables mean?  Recognize the form of the two equations.
SEE the answer!
m means what?  Where do you find this in the given equation?
b means what?  Where do you find this in the given equation?
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NOW you should have your answer with no doubt.