Answer:       A                 B
Group 1     0.25          0.75
Group 2    0.44          0.56
Step-by-step explanation:
Since we have given that 
Number of people of A in group 1 = 15
Number of people of B in group 1 = 45
Total number of people in group 1 is given by

Relative frequency of people of A in Group 1 is given by

Relative frequency of people of B in Group 1 is given by

Similarly, Number of people of A in group 2 = 20
Number of people of B in group 2 = 25
 Total number of people in group 2 is given by

Relative frequency of people of A in Group 2 is given by

Relative frequency of people of B in Group 2 is given by

Hence,        A                 B
Group 1     0.25          0.75
Group 2    0.44          0.56
 
        
             
        
        
        
Answer:
$495
Step-by-step explanation:
Take baseline amount of 75 dollars and divide it by 4. This will get you to the answer 11.25. Use 11.25 and multiply it by what she received in rewards. 11.25 times 44 equals....495!
 
        
             
        
        
        
Answer:
its b
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer: I believe this is a reflection 
Step-by-step explanation: I think this is a reflection because the points are flipping to the exact opposite y coordinate. 
Hope this helps.
 
        
                    
             
        
        
        
-1,1 I already told u, nut