Answer:
38.99
Step-by-step explanation:
58.02 - 15.27 = 42.75 
42.75 - 3.76 = 38.99
 
        
             
        
        
        
6+9=15
15 Divided by 2=7.5
Therefore your answer will be 7.5
        
                    
             
        
        
        
You put the numbers you want to compare in a line with a space in the middle. the put

if the left is bigger and

if the right side is bigger.
 
        
        
        
Answer:
The percentage is 
Step-by-step explanation:
From the question we are told that 
    The population mean is  
      The standard deviation is  
The  percent of people who write this exam obtain scores between 350 and 650     
     
Generally  
                
    
    
    
From the z-table  
    and 
=>    
=>  
Therefore the percentage is  
 
        
             
        
        
        
Answer:
3
Step-by-step explanation:
to evaluate substitute x = 4 into the rational expression, that is
 =
 =  = 3
 = 3