The one ur selecting is the correct one!
A. expanded, you get XxXxXxXxXxXxXxX over XxXxXxXxX
b.XxXxX or X³
c. I would just cancel out the 5 Xs on the top line against the 5 Xs on the bottom, leaving X³.
V = s^2(h/3)
is the formula....................<span />
744/1000 would be your answer
