8hrs = 480mins 
6hrs = 360 mins 
472/480 = 0.983...
0.983... x 360 = 354 
D) 354
        
             
        
        
        
A. The extra amount added to the selling price to arrive at the cost price 
        
                    
             
        
        
        
Answer:
Written Below.
Step-by-step explanation:
A system of linear equations has one solution when the graphs intersect at a point. A system of linear equations has no solution when the graphs are parallel. A system of linear equations has infinite solutions when the graphs are the exact same line.
(This uses graphing.)
Sidenote: I hope this helps! :)
 
        
             
        
        
        
Answer:
10.6
Step-by-step explanation:
radius = 1.5 height = 1.5 so it's 10.6
 
        
             
        
        
        
Answer:
B
Step-by-step explanation:
The question has no division answer. That makes C and D incorrect.
A for some reason is backwards. It makes no sense to use that. You are left with B. The reason A or B  is correct is that the burn of calories must get larger with an increase in hours.