Answer
a) Yes
b) Yes
c) No
d) Yes
Work Step by Step
$a) 20= 4\times5 $
$20= 20$
$b) -20=4\times-5 $
$-20=-20$
$ c)4\times-20= -80$
$-5\ne-80$
$ d) 6= 4\times1.5$
$6=6$
Algebra 1: Common Core (15th Edition)
by Charles, Randall I.
Published by
Prentice Hall
ISBN 10:
0133281140
ISBN 13:
978-0-13328-114-9
Chapter 1 - Foundations for Algebra - 1-9 Patterns, Equations, and Graphs - Got It? - Page 61: 1
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