Answer:
C. 
D. 
Step-by-step explanation:
C. 



D. 




Answer:
c 6
Step-by-step explanation:
6,12,18,24,39,36,42,48
<span>8+0.4+0.07+0.008 you basically separate the numbers starting with the largest working down to the smallest.
i hope i helped
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The answer is A. a=(-1) b=(7)