Please help ! Easy 7th grade work .

1-9 answers

Step-by-step explanation:

1=-38

2=-25

3=16

4=-4

5=0

6=-34

7=9

8=-7

9=-4

1. -38

2. -25

3. 10

4. -4

5. 0

6. -34

7.  9

8. -7

9. -4

Step-by-step explanation:

1. -22+(-16): All is needed to be done is adding it like normally but jsut by putting a negative sign in the front: -38

2. Same idea just add

3. Regular addition

4. This one is just positive 21 + (-21)= 0 with -4 left over

5. Add -17 and -3 together for -20 then add the positive 20 to get zero

6.  Add positive 25 and negitve 25. You have -34 left over.

7. Add 5+4 to get 9

8. Since -15 is bigger then 8 it becomes negative

9. -11 is bigger so subtract 7 to get 4 but it becomes negative      

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step-by-step explanation:

3/6 chance

step-by-step explanation:

half of the nubers are odd numbers (1,3,5) which in that case if you would be told to simplify it would be 1/2