Those are the answers
2x-2
6x+9
7x+35
10x-5y
Area of a prism would 1/2xBxHxL
If prism B is twice twice the Height, then compared to A the area of B would be..
1/2xBx(2H)xL.. so prism B would have twice the volume of A.
Hope this helps
Answer:
Division can be represented with ÷ as well.