Answer:
1. -1 
2.25
Step-by-step explanation:
N A
 
        
             
        
        
        
The diameter of a circle passes through the middle
        
             
        
        
        
Answer:
Also doubles
Step-by-step explanation:
Hope this helps. Have a nice day you amazing bean child.
 
        
                    
             
        
        
        
Answer:
C
Step-by-step explanation:
In a parallelogram, consecutive angles are supplementary, sum to 180° , so
3y + 108 = 180 ( subtract 108 from both sides )
3y = 72 ( divide both sides by 3 )
y = 24 → C