16x^4-81y^4 difference of perfect squares...
(4x^2-9y^2)(4x^2+9y^2) that's one of the equivalents...
(2x+3y)(2x-3y)(4x^2+9y^2) that's another one of them...
Answer:
A
Step-by-step explanation:
Answer:
yes, 6÷1/3, which is 6×3 or 18
Step-by-step explanation:
I would say 23 hope this helps