Here’s a picture of my work. The answer is seven. Hope this helps :-)
 
        
        
        
-18-6k= 1+3k
9k=-19
k=-19/9
k=-2 and 1/9
        
                    
             
        
        
        
Answer:
Yes ,because of SAS similarity theorem
Step-by-step explanation:
In ΔYOM , ΔTON
∠YOM = ∠TON        

SAS similarity theorem
 
        
                    
             
        
        
        
Answer:
378
Step-by-step explanation:
9 × 7 × 6 = 378 
pls mark brainliest, if not, its ok :)