PLS HELP ILL GIVE BRAINLIEST!!!!!!!!

Answer:
It says it right there.
the answer that you need is 300
Step-by-step explanation:
Brainiest
Answer:
The height of the square pyramid is 150 inches
Step-by-step explanation:
[tex]volume \ of \ square \ pyramid = a^2 \frac{h}{3}[/tex]
[tex]450 = 3^2 \frac{h}{3}[/tex]
[tex]450 = 9( \frac{h}{3} )[/tex]
[tex]450 = 3( {h}{)[/tex]
[tex]450 = 3h[/tex]
[tex]h = 150[/tex]