Hi! 
Answers:
51. w=9/4
53. b=12
        
             
        
        
        
Answer:
the second
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Answer:
I dont think it can be simplified
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
why
Step-by-step explanation:
?
 
        
                    
             
        
        
        
The  study has the smallest margin of error for a 98% confidence interval is <span>The northern California study with a margin of error of 3.2%.
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