4
9
4
1 regetangular prism
Three.
4
There are 4 of them.
9
4
1 regetangular prism
Three.
Four.
You can do it ten times, I had an assignment and we had to make ten rectangular prisms 10 times
An infinite amount. If you only want to count integral lengths, then there's only one: 1 by 1 by 11. (This is because 11 is a prime number.)
A cube or cuboid.
There are only four different configurations.
Just one, although the orientation of the prism might vary.