Answer:
The correct option is 1.
Step-by-step explanation:
The given expression is

The value of a is 1 and the value of b is 1.
According to the logarithm property,

Using this property, we get

The required expression is 
.

                   ![[\because log_aa=1]](https://tex.z-dn.net/?f=%5B%5Cbecause%20log_aa%3D1%5D)
Left hand side is equal to the right hand sides, therefore option 1 is correct.
 
        
             
        
        
        
I think the answer would be one point
        
                    
             
        
        
        
Answer:
21
Step-by-step explanation:
21-12=9
 
        
                    
             
        
        
        
Answer:
16/40 = 0.4
Step-by-step explanation:
Find total marbles then divide the number of green by total.
 
        
             
        
        
        
Answer:
6
Step-by-step explanation:
1/3 x 4 = 1.333....
1.333.... x 9 = 12
12 x 1/2 = 6