(2x - y)(4x2 + 2xy + y2) =
8x3 + 4x2y + 2xy2 - 4xy2 - 2xy2 - y3 (combine and simplify like terms)
= 8x3 - y3
6 weeks × 20 dollars = $120
If it is (6^-4)^6 it should be 1/6^24. The picture was a bit blurry.
Hope this helps and thank you for using Brainly!
Distributive is used in this problem
There are 49 ways to make 50 cent in change
