-a^2 - 3b^3 + c^2 + 2b^3 - c^2 = -a^2 - b^3 = -(3)^2 - (2)^3 = -(9) - 8 = -9 - 8 = -17
167.0067
I hope this helps!
Answer:
972cm^3
Step-by-step explanation:
use the formula for a rectangular prism base x height x length but then divid by two because it is a triangular prism.
multiply 18 x 12 x 9 then divide by 2