<h3>Answer:</h3><h3>commutative property of multiplication</h3><h3>The property used in the statement is the commutative property of multiplication.</h3>

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=x
You must find a common denominator(bottom)

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Your answer is x=
Answer:
a reflection across line bc
Step-by-step explanation:
maybe, I think so
YZ = 16. The triangles are congruent. This would be AAS so YZ = 16 because of CPCTC.
I'm guessing it is 18. 18 decreased by nine equals nine so to me it makes sense.