Answer:
Step-by-step explanation:
1: GCF (72, 144, 180) = 36
2: GCF of 10 and 13 is 1.
3: GCF of 135, 45, and 25 is 5
4: GCF of 150 and 225 is 75
The property applied is the associative property
<h3>Algebraic properties</h3>
There are several algebraic properties in mathematics; each of which have their own applications
Some of these properties are:
- Commutative
- Distributive
- Associative
- Identity
The mathematical expression is given as:

And it is calculated as follows:


The property applied above is the associative property
Read more about mathematical properties at:
brainly.com/question/10628093
Answer:
b=9
Step-by-step explanation:
move the constant to the right which makes it 8b +5.04=77.04
then subtract 77.04 - 5.04 which = 8b = 72
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