The numbers are 6 and -2.
6 + -2 is 4
as well as 6 x -2 is -12
        
                    
             
        
        
        
This is an example of a systematic sample.
Dr. Jon developed a system in order to get a random sample. His plan was to survey the 4th student that entered his classroom.
        
             
        
        
        
Answer:
28 minutes
Step-by-step explanation:
500 ÷ 18 = 27.77777777777778
Round the 27.7 to 28.
 
        
             
        
        
        
Answer:
186?
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
This is false. Lines will be congruent if they have the same length, which is not the case in all situations.