Answer
$50$
Work Step by Step
UK's approval rating = $21$
Iran's approval rating = $-29$
Thus, the difference between the approval ratings of the UK and Iran is:
$=21 -(-29)
\\=21+29
\\=50$
Intermediate Algebra for College Students (7th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13417-894-7
ISBN 13:
978-0-13417-894-3
Chapter 1 - Section 1.2 - Operations with Real Numbers and Simplifying Algebraic Expressions - Exercise Set - Page 28: 141
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