What’s the answer??!?

Answer:
See answers below.
Step-by-step explanation:
For formula to find the volume of rectangular prism is given below:
[tex]Volume\:=\:whl[/tex]
11. Putting the given values, we have:
[tex]200=\left(2\frac{1}{2}\right)\left(h\right)\left(8\right)\\\\h=10[/tex]
[tex]12.\:\:Volume=\left(8\frac{1}{2}\right)\left(4\right)\left(11\right)\\\\Volume = 374[/tex]