Posted by **Lea** on Saturday, September 5, 2009 at 6:18pm.

1.evalute the expression -8 + 15 = 7 is this answer correct?

2.evaluate the expression 19+(+4) = 23 is this answer correct?

3.Evaluate the expression (13) (-4) (-6) = 312 is this answer correct?

4. evaluate |10|+ |-2| =8 is

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