12. Nancy walked 516 yards in 6 minutes and then another 368 yards in 4 minutes. What was Nancy's average speed? * A. 89 yd/min  B. 89.4 yd/min C. 88.4 yd/min D. 178 yd/min
       
      
                
     
    
    
    
    2  answers:
            
              
Hello.
                                
             
                    
              
Average speed = (total distance covered) / (time to cover the distance)(C) 
                                
             
         	
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Answer: 
A, D,F are triangle sides
 
        
             
        
        
        
The three undefined terms in geometry are line, point, and plane. So:Your answer is B I hope this helps:)
        
                    
             
        
        
        
Answer: 
h
Step-by-step explanation: 
 
        
             
        
        
        
So basically you use the ratio they have given you. You either multiply by 2 if image is enlarged or divide by 2 if it is reduced. (Keep in mind I got the 2 from your ratio : 1inch : 2inches) Therefore the find the original width, you multiply 10 by 2, giving you 20 inches. 
 
        
             
        
        
        
your answer is C. substraction