Answer:
x^3 - 6x^2y + 12xy^2 - 8y^3
Step-by-step explanation:
(x-2y)^3
=(x - 2y)(x - 2y)^2
=(x - 2y)(x^2 - 4xy + 4y^2)
= x^3 - 4x^2y + 4xy^2 - 2x^2y + 8xy^2 - 8y^3
= x^3 - 6x^2y + 12xy^2 - 8y^3
Answer: A is correct I think
Step-by-step explanation:
V=1/3*πr² *h,
raduus r=32/2=16
V=1/3*3.14*(16)² *18=6*3.14*(16)² =4823.04