What Number Must Be Added To $- 21$ To Obtain $0$ ?
A)

question 34

Multiple Choice

What number must be added to $- 21$ to obtain $0$ ?

• A) \(1\)
• B) \(- 21\)
• C) - 42
• D) \(0\)
• E) \(21\)

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The final stage in a project where the project is completed, all activities are concluded, and the project is officially closed.

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