Answer:
A shipping company has 3 different sized cube boxes.The volume of 1 box is 216 in 3=648.The volume of 2 box is 512 in 3=1536.The volume of 3 box is 1000 in 3 = 3000.
So, Mia needs to ship a gift with a height of 7 inches.
648 , 1536-3000
-816
Explanation: