Answer:
1. Order the values. 2. Find the median. 3. Find the lower quartile. 4. Find the upper quartile. 
Step-by-step explanation:
 
        
             
        
        
        
Y = -3x + b
Plug in point
-4 = -3(3) + b
-4 = -9 + b, b = 5
Solution: y = -3x + 5
        
             
        
        
        
Answer:
26320
Step-by-step explanation:
 
        
                    
             
        
        
        
50 is the value cause 20 is 40 of the percent, 20+20 is 40 now you made it into 80%.20% is remaining so add 10.