Answer:
Each magazine costs 3.90
Step-by-step explanation:
Take the total cost and divide by the number of magazines
46.80/12
3.90
 
        
                    
             
        
        
        
The model for direct proportion is y = mx.  Note that there is no "offset," no "y-intercept."  
y = 6x represents direct proportion with a constant of proportionality 6.  The other 2 choices are disqualified because of offset +6 or -6.
 
        
             
        
        
        
The answer is B, 8x^2+32x+24
        
             
        
        
        
Answer:
15 times
Step-by-step explanation:
360 divided by 26 =15