For #7 - part a: greatest common factor (GCF) is 5.
Part b: cross out everything BUT 10 & 20.
Answer:
:)
Step-by-step explanation:
7 Part A the GCF is 5
Part B cross out 15 and 25
8 Commutative Property
Assosiative Property
and I think the 10.2 is Additive Identity Property, I am not sure, ask your teacher if they will help
