Find the values of the variables.
= 
A. x = 7, y = 7, z = 9
B. x = -7, y = -7, z = -9
C. x = -7, y = 9, z = 7
D. x = 7, y = 9, z = 7
Answer: A
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A. log
5 = -2
B. log5 -2 = 
C. log5 
= -2
D. log-2 
= 5
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