The answer is 6. 
Division is the opposite of multiplication and 3x6 is 18
        
             
        
        
        
Answer:
10.8 cm
Step-by-step explanation:
Using cosine law 
g² = 7.1² + 6.7² - 2(7.1)(6.7)cos(103)
g² = 116.7018433
g = 10.80286274
 
        
             
        
        
        
Answer:350
Step-by-step explanation:
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