The equation is false because the real answer is z5/4. The variable doesn't just disappear.
        
                    
             
        
        
        
The answer is simply C.$2.50
        
                    
             
        
        
        
√9 = 3
3 is a real number , a whole number , a rational number , an integer and a natural number , 
So last option is correct
Set of all natural numbers , set of all whole numbers , set of all integers, set of all rational numbers , set of all real numbers.
 
        
             
        
        
        
Answer: i think A
Step-by-step explanation: