math 115

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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asked by Lea
  1. 1,2,3 correct.
    4) abs(-2)= +2

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  2. 2+4-2=4

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    posted by Anabel

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