Answer:
Three equivalent expressions are -3(5-2x), 6x-15, and 3(2x-5).
Step-by-step explanation:
They are equivalent because they equal the same value for x and make the same answer.
 
        
             
        
        
        
Answer: square root of 10
Step-by-step explanation:
 
        
                    
             
        
        
        
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-2 " -1,5 : -3-2 " -4/3 " -1 " 0 " 1 " 3/2 " 2
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1) neither
2) geometric sequence