The commutative property only works under what two operations?
1 answer:
The commutative property only works under addition and multiplication properties.
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Given Equation

Step by step expansion:



Reason:
(a + b)(a - b) = a²- b²











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Answer:
approximation is often useful when it is not a very good one
14r – 8r=126
6r=126
R=21
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Answer:
I think its B
Step-by-step explanation:
Hope this helps:)