Answer:
1. -3
2. 9
3. 5
4. -12
2)
a 9-6=3
b.5-8=-3
c.-12-6=-18
d.10+8=18
e.+4-2=2
f.-9+5=-4
1150 because 400 + 394 + 388 = 1182 - 32 = 1150.
25
Step-by-step explanation: