1) (-11) + 15 = 2) (-14) + (-16) =

3) 5 + (-9) =

4) 21 + 22 =

I dont know if these are supposed to be easy or hard but i dont understand any of this-

1. Remove the parentheses -11-15

2. simplify, -14-16

3.5-9

Step-by-step explanation:

1. 4

2.-30

3.-4

4. 43

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1/800 is the right answer