avamarvelle avamarvelle
  • 16-03-2018
  • Mathematics
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I need to know the answer

I need to know the answer class=

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Wuubles
Wuubles Wuubles
  • 16-03-2018
A signed number is a number with either a + sign or a - sign.

When something is gained, it means in gets more, so that would be its adding on 9 pounds. So, the answer is +9.
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