Answer:
I think that it would be D
Step-by-step explanation:
 
        
             
        
        
        
Triangle CED = 47°
Triangle BEC = 28°
360 - 28 - 47 - 112 = 173
The answer = 173°
        
             
        
        
        
Answer:
7, 10, 13
Step-by-step explanation:
1) n = 1:   3(1) + 4 = 3 + 4 = 7
2) n = 2:   3(2) + 4 = 6 + 4 = 10
3) n = 3:   3(3) + 4 = 9 + 4 = 13
 
        
                    
             
        
        
        
5y=15-3x
y=3-3/5x
hope it helps:):)
        
                    
             
        
        
        
Answer:x=4
Step-by-step explanation: