Answer:
9/-16
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
X = 7
Step-by-step explanation:
Any line with a undefined slope is a vertical line, which goes up and down.
Since this is a vertical line, and our x-value is 7, this means that the vertical line has the x-coordinate 7 at all times, making the equation x = 7.
 
        
             
        
        
        
Step-by-step explanation:
DCE²+GCH²+X²=180°
40²+27²+X²=180°
x²=2329-180°
x=√2149
x=49//
 
        
             
        
        
        
Answer:
The measurement of angel c is B.