The volume formula for a pyramid is. [tex]V=\frac { A\cdot h }{ 3 } \\ \\ \\ [/tex] , where V is volume, A is base area and h is height.
So we have the height value and base area value, let's plug them in the formula
[tex]V=\frac { 30\cdot 9 }{ 3 } \\ \\ V=\frac { 270 }{ 3 } \\ \\ V=90\quad [/tex]
