Answer
26.5 cm
Work Step by Step
From the table we can get that y=10.5+2x, since 2 is the slope and 10.5 is the y intercept. Plugging in 8 into the equation we get y=10.5+2(8), which gives 26.5 cm.
Algebra 1
by Hall, Prentice
Published by
Prentice Hall
ISBN 10:
0133500403
ISBN 13:
978-0-13350-040-0
Chapter 1 - Foundations for Algebra - 1-9 Patterns, Equations, and Graphs - Practice and Problem-Solving Exercises - Page 64: 22
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