asked 84.0k views
5 votes
I need help w this question

I need help w this question-example-1
asked
User Douglass
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6.9k points

2 Answers

6 votes
-9
You subtract 9 from each and get the numbers that are left
answered
User ZestyZest
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8.7k points
4 votes
find the difference between the numbers
-11 to -20 = -9 difference
-20 to -29 = -9 difference
the common difference is -9.
answered
User Florian Blume
by
7.2k points

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