Answer:
(4, 1)
Step-by-step explanation:
See attachment courtesy of Desmos.
 
        
             
        
        
        
Answer: 12 weeks
Step-by-step explanation:
343-115=228
228/19=12
 
        
             
        
        
        
in order to know the greatest common multiple of 84 you would have to compare it to another number
 
        
             
        
        
        
Well, this is a stem and leaf problem. 
The numbers are 20, 28, 29, 29, 31, 32, 36, 41, and 42. 
In order to solve for the mean, we find the average and we add the numbers together and divide by 9(there are 9 numbers). 
The mean is 32.
The median is the middle number, or 31.