Answer:
755757
Step-by-step explanation:
Answer:
it's a very easy one and it's answer is 1728
X^2-81=x^2-9^2=(x+9)(x-9)
this is the answer
Answer:
(x-5)(x+4)
Step-by-step explanation:
hope it helps
Answer:
8,000
Step-by-step explanation:
volume = length X width X height
5x20x40= 4000
4000x2 = 8000