Answer:
B. 
Step-by-step explanation:
The inequality "B" is correct because when you simplify it, you can see that it holds true:

49 > 29
49 is indeed greater than 29, making this inequality true.
Answer:
Step-by-step explanation:

The person above me is correct
As long as 2 opposite sides are the same and the other two opposite sides are the same. eg. 6,6,2 &2 / 1,1,7 & 7 and so on
Answer:
- 5
Step-by-step explanation:
Note that - (- 12) = + 12
Thus
- 17 - (- 12) = - 17 + 12 = - 5
It looks like Tom subtracted 12 from - 17, that is - 17 - 12 = - 29