Answer:
15 units
Step-by-step explanation:
I just took this geometry test with the same question. Its 15
To solve, simply do this:

Then you'll get the answer, -7/16
Answer:
Box A's volume is bigger by 864 cubic inches
Step-by-step explanation:
12 × 18 × 24 = 5184
12 × 12 × 30 = 4320
Then we subtract. 5184 - 4320 = 864
2y + 4 + 5y + 8=
7y + 4 + 8=
7y + 12=
That looks like a rectangular prism