Using the given equation and edge length:
V = 45^3
V = 45 x 45 x 45
V = 91,125 cubic meters
M=4
first we take the 4.5 to the other side and we also take the 12 to other side so we get
1.5m=6
we divided each side we get m=4
Answer:
<h3>-700</h3>
Step-by-step explanation:

4800,good luck!hope I helped!