Irrational because square root of 15 is irrational
        
                    
             
        
        
        
6 = -2b (cancel -2b on both sides)
6/-2 = b (divide both sides by -2)
-3 = b (simplify 6/2 to 3)
now switch sides
Answer: b = -3
        
             
        
        
        
Answer: 12
Step-by-step explanation:
42
42
42
 
        
             
        
        
        
It’s number 12!!!!! I know it already got answered