ASAP I need help again

Answer:
your answer is 12 inches hon!
Step-by-step explanation:
if we divide 864 by 6 we get 144 and the square root of 144 is 12!
Answer:
12
Step-by-step explanation:
volume of a cube = 6 × (length of edge)^2
let the length = X
hence,
6X^2 = 864
X = 12