Answer:
Step-by-step explanation:
hope this helps. pls mrk me branliest :)
1)24.25
2)21
1) (a/4)^2=(20/4)^2=25
b/2/8=6/8=3/4
25-3/4
=100/4-3/4
=97/4
=24.25
2)2(x-y)^2=2(3)^2=18
x-y=3
=18+3
=21
Hope this helps!
