1. bottom area x height = bottom x height x width 2. 45 3 1a 3。 72 24 48 3 2 times 4. 27 9 5. That's right.

6.4x4x3. 14x5 7。 42.39 divided by 3

I worked hard, and I was the first to answer. That idiot doesn't have to choose me.