You would circle the 3 in 31, the 9 in 94, and the 1 in 17
        
                    
             
        
        
        
Answer:
B
Step-by-step explanation:
Initial mean = 156, Changed mean = 163.92
So, mean increases. Only condition that satisfies this is B.
 
        
             
        
        
        
Answer:
70
Step-by-step explanation:
the 7 is in the tenths place of the number, so its value is 70
 
        
             
        
        
        
Answer: 64%
Step-by-step explanation:
You would divide 50 by 32 (32/50), and get the decimal 0.64. Multiply 0.64 by 100 and you will get 64, your percent.