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February 27, 2015

February 27, 2015

Posted by **m** on Tuesday, November 9, 2010 at 11:03am.

(-21)-42

A) (-21)-(-42)

B) (-21)+42

c) (-21)+(-42)

D) none of the above

I thought it would be c. Is this correct?

- math -
**Ms. Sue**, Tuesday, November 9, 2010 at 11:05amRight.

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