Answer:
its is A,B and D
Step-by-step explanation:
find the square root of both and find the values that lie between them :)
Answer:
Step-by-step explanation:
(3w^4-8w^2z^2+4z^4)-(5w^4+7w^2z^2-8z^4)
=3w^4-8w^2z^2+4z^4-5w^4-7w^2z^2+8z^4
=(3-5)w^4+(-8-7)w^2z^2+(4+8)z^4
so she made mistake in step 2.