Answer:
Step-by-step explanation: 60 x 3= 380
2 x 60= 270 
270 + 380= 810
 
        
             
        
        
        
The difference is 27, 735 ft
 
        
                    
             
        
        
        
Answer:
2z+14
Step-by-step explanation:
you multiply 
4*z   =4z
4*2   =8
and then you multiply
2*3=6
2*-z=-2z
the answer is 2z+14
 
        
             
        
        
        
If the number of terms is one then it is called a mono-nomial
if number of terms is two then it is called binomial.
if the number of terms is three or more than three then it is called poly-nomial.