I think january or december
        
                    
             
        
        
        
The equation are y = 0.59x + 29.95 for company A and y = 0.79x + 19.95 for company B. 
<h3>
Linear equation</h3>
Linear equation is in the form:
y = mx + b
where y,x are variables, m is the rate of change and b is the initial value of y.
Let y represent the total cost of rental for each truck in x hours.
From the table, for company A:
For company B:
The equation are y = 0.59x + 29.95 for company A and y = 0.79x + 19.95 for company B. 
Find out more on linear equation at: brainly.com/question/14323743
 
        
             
        
        
        
The product of -8. (-8)= 64
        
                    
             
        
        
        
It would be need to be 31729 because one through four makes it stay the same 5 through 9 memes it go up one