Given expression : 
According to the Commutative property of Addition
For any
:

Therefore, the given is equal to: 
Also, by the Commutative property of Multiplication
For any
:

Therefore, the given is equal to: 
Answer:
The correct answer is b=9
They can conclude that the certain animal ( of the fossil) had either migrated to that place or was brought to that certain place this is also proof of of the Continental Drift Theory that there was a Pangaea and split apart around a certain time.
What is his net weekly pay?