Answer:
6) Braden scored 77.
7) Carolyn bought 18 pocket folders.
Step-by-step explanation:
6) 86 - 9 = 77
7) 0.39x = 7.02
step 1- divide both sides by 0.39
x = 18
I am unsure what you are talking about please improve your question next time please.
In general this property looks like
a*1 = a.
This is identity property of multiplication, or multiplicative identity property.