Answer:
-74
Step-by-step explanation:
First: 5-2=3
-9*3=-27
111÷3=37
Then do -27-37=-74
6500 cm^3.
That would be the volume of the large box - the volume of the cube
= 15*25*20 - 10^3
= 7500 - 1000
= 6500 cm^3.