First lets get the formula for a triangular prism

First lets plug in our numbers

It really doesnt matter how you multiply everything, but you end up with 119cubic feet.
The answer would be D. Conditional Statement
3 for 3.60 the unit price come out to 1.20


Therefore, the man is shorter than 141 centimeters.
Split the room into 2 rectangles
area = 5*4 + 3*3 = 29 sq ft
So the cost is 29*8 = $232