Answer:
Kara should use 343 cubic inches box.
Explanation:
The gift is wrapped in a cube-shaped box with side lengths of 6 inches.
As it is a cubic box, all the sides will be same.
And volume of the box will be =
cubic inches
Now, Kara wants to use the shipping box that is closest to the size of her gift.
So, she should use 343 cubic inches box.