Posted by **Ruby** on Tuesday, November 8, 2011 at 2:23pm.

Please check my work.

1) 64 divide -4 = -16

2) -144 divide (-9) = 16

3) Simplify -9 and a small 2 = -81

4) Simplify (-3) and a small 3 = -27

5) Add -4/11 + 5/11 = 1/11

6) subtract 5/11- [-3/11] = 8/11

7) multiply [-7/8] • [-2/4] = 7/16

8) divide -3.5 -5.6 = -0.63

9) classify the given number.

-4/9 = Real

10) find the expression.

-128 divide 4 and small2 + 6-1 = -15

11) find the value of expression.

3•45 divide 9 - 2 (10 -6) - 4 divide 2 = -13

Please check my work and explain what I have done wrong.

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