Answer:
a
Step-by-step explanation:
26-12=14
14/7=2
?-9=2
?=11
 
        
                    
             
        
        
        
Angle x° and angle 
154° are supplementary angles, meaning that they equal 180° when added.
 
        
             
        
        
        
Answer:
80
Step-by-step explanation:
hope it helps . .. ..,......
 
        
                    
             
        
        
        
Step-by-step explanation:
(2+3)(2-3)
=5×(-1)
= -5
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