270 miles be 90+90+90 equals 270 and thats the answer
        
                    
             
        
        
        
Answer:

Step-by-step explanation:
The period of the functions  ,
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The period of the functions  or
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Answer:
2 
Step-by-step explanation:
 
        
                    
             
        
        
        
A. X+Y=50 y=x+20
B. 50-x=x+20 x=15 minutes
C. No, We know however much time Ted spends on the butterfly he spends 20 mins more on breast stroke. If he spends 45 mins on butterfly then he must spend 45+20= 65 mins on breast stroke. BUT we already know that he only spends 50 mins total, so it’s not possible
        
             
        
        
        
Answer:
y<-6+3x/2
Step-by-step explanation: