Answer:
f = 8
Step-by-step explanation:
9f = 8f + 8
9f - 8f
= f
So, f = 8
9(8) = 8(8) + 8
72 = 72
f=8
9(8)=8(8)+8
72=64+8
72=72
-6
2/2=1
-+7=-7
1-7=-6
that is the simplest form.
#1 false
#2 true
155° - 110° = 45°