For number seven i got 1974m
and for number eight i got 374.13
[tex]Well\:i\:cant\:answer\:#7\:But\:I\:can\:do\:#8[/tex]
[tex]8.\:Hexagon\:volume=\frac{3}{2}*\sqrt{3}*4in^2*9 in[/tex]
[tex]V=374.12297443in^3[/tex]
