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Brenda has a blance of 38 dollars in her piggy bank.  What exactly do you still need to learn / know?
She might have 3-$10 bills, 1-$5 bill and 3-$1 bills.  Other combinations are possible.
        
             
        
        
        
Answer:
k= 70
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Answer: (4,12) or (1/3) simplified 
 
        
                    
             
        
        
        
Answer:
she runs .18 or 0.1785714286 miles per minute
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Answer:
Circle A will be similar to circle B when circle A is dilated by a scale factor of 4.