Well that's easy. Just plug in the numbers: 3*(-2)+4*(5)=14. So yes the solution is correct.
        
             
        
        
        
Step-by-step explanation:
I'm not sure what you mean by 'written method' but the sum is 2,654.
 
        
             
        
        
        
Answer:   19.99cm
Step-by-step explanation: trust
 
        
             
        
        
        
Answer:
C)  2 + 3 x - 18
Step-by-step explanation:
<u><em>Explanation:-</em></u>
Given expression  2+ 3(x-6)
                  ⇒  2 + 3 x - 18
                ⇒    3 x - 16
 
        
             
        
        
        
Answer:
The answer is 2.55
Step-by-step explanation: