7-(-7)=7+7=14. So the answer is 14
We can make this expression to find out what 49% of 3120 and 2130:
49% * 3120
49/100 * 3120
152880/100
1528.8
49% of 2130
49/100 * 2130
104370/100
1043.7
Answer:
The volume would be 12 inches.
Step-by-step explanation:
Volume is LxWxH
for the lower box, I did
4x2x1=8
For the top half
2x2x1=4
Then i added them together
8+4= 12
Step-by-step explanation:

Answer:
28.2
Step-by-step explanation:
7.2 + 7.3 + 6.9 + 6.8 = 28.2