Answer:
what are the options?
Step-by-step explanation:
 
        
             
        
        
        
What grade is that is that 4th or 5th grade
        
             
        
        
        
Answer:
constant
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
C. 4x+12
Step-by-step explanation:
To distribute, multiply 4 and x which gives you 4x and multiply 4x3 which equals 12 and 12 is positive so the answer is 4x+12.