Answer
The slope of the line is about $31.80$.
Work Step by Step
$(9,042.91),(15,233.72)$
$m=\frac{233.72-42.91}{15-9}=\frac{190.81}{6}= 31.80$
Algebra and Trigonometry 10th Edition
by Larson, Ron
Published by
Cengage Learning
ISBN 10:
9781337271172
ISBN 13:
978-1-33727-117-2
Chapter 2 - 2.1 - Linear Equations in Two Variables - 2.1 Exercises - Page 170: 88b
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