52 + (-77) = 
52 - 77 = -25 
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52 - (-77) = 
52 + 77 = 129
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your answer is: 52 - (-77)
 
        
             
        
        
        
Your answer is 80 mins, or an hour and 20 mins. You simply turn that fraction to a decimal by diving 3 with 5. This should turn out to be 0.6. Then you multiply the 24 mins with the 2 miles and it turns out to be 48. After this, you divide 48 by 0.6 and you get 80. 
        
             
        
        
        
Answer:
principal is the correct answer
Step-by-step explanation:
principal is the correct answer
 
        
                    
             
        
        
        
18;45 = 9
24;16 = 8
I hope this helps
        
             
        
        
        
Answer:
I don't know the value of either, could you add more information?
Step-by-step explanation:
I'd be glad to help.