First, enter the variables into the expression.
Square 1/3 and -6 to get this:

Divide 36 by 2/3:

Subtract 54 from1/9 to get the final answer:

, which is option D.
Hope this helps!
Answer:
I agree with Helen because she is right that the volume is about 175 cubic inch. and it is a triangular prism.
Step-by-step explanation:
Answer:
The awnser is 4.472135955