Answer:
1) 1.99
2) 1.4
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
3,6,9,12 is not geometric seuence
Step-by-step explanation:
 
        
             
        
        
        
2 / 15
This is simpler than you think. Just take the square root of the denominator and of the numerator and stick it back into fraction form. The square root of 4 is 2 and the square root of 225 is 15. Voila: 2 / 15.
        
             
        
        
        
Did you mean that it is not a 7? If so...
48/52 which, when simplified, is 12/13