An extraneous solution doesn't belong to the domain.
        
             
        
        
        
Answer:
No 6 1/2 is 6.5, which is not 73
Step-by-step explanation:
 
        
                    
             
        
        
        
You have to measure the lines with a ruler.
        
             
        
        
        
Answer:
(C) $9.36
Step-by-step explanation:
10 percent off of 26 would be 23.4, then 40 percent off of 23.4 would be 9.36
 
        
             
        
        
        
Answer:
10 - (-2) = 12, 10 + 2 = 12
Step-by-step explanation:
10 - (-2) = 12
10 + 2 = 12