Correct answer D(4,2) only this one is at the pink area that is solution of this system
Answer:

Un-formatted answer:
2^x - 3
Step-by-step explanation:

Ok so 1st, you do the (80 ÷ 20), then you get
10-4+(4)y^4
then you 10-4
6+(4)y^4
then....
(10)y^4
so then it's
10y^4
Unless there is a =, but if not it's 10y^4