Answer:

Step-by-step explanation:
The total length of the belt is:


 
        
                    
             
        
        
        
Answer:
12*3*8=228
Step-by-step explanation:
 
        
                    
             
        
        
        
Since the equation is in y = mx+b form you can easily determine the y intercept based on the b value present. 
Y = mx + b 
Y = 2x - 3 
B = y intercept = (0,-3).
        
             
        
        
        
Answer:
Usually pounds (lb) .About an an average of  20 to 25 pounds (lbs)
Step-by-step explanation:
Since Marvin uses Customary units, and considering the Watermelon. 
Pounds,  He could estimate based on average of 20 to 25 pounds. 
He could choose another customary units, but it wouldn't be practical and unusual to say a watermelon of 160 quarters, also it would leave all the listeners without parameters.
So, definitely pounds.
 
        
             
        
        
        
Answer:
Step-by-step explanation: