Answer:
The equation is 3n + 13 = 40 The triplets are 9 years old
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Answer:
rise
Step-by-step explanation:
 
        
             
        
        
        
Hello,
7)  A∪C={1,2,3,4,5,7,9}
8) A∩B={2,4}
C'= complement of C ={2,4,6}
9) A∪B∩C'={1,2,3,4,6,8}∩{2,4,6}={2,4,6}
10) A∪(B∩C')={1,2,3,4}∩{2,4,6}={1,2,3,4,6}
Are you blind?
        
             
        
        
        
Answer:
7.5
Step-by-step explanation:
 
        
             
        
        
        
Answer:
B. X=7
Step-by-step explanation:
Because 9 greater than 7