Answer:
3.
Step-by-step explanation:
The scale factor is basically what figure B is divided by. 
9 / 3 = 3
3.6 / 3 = 1.2
 
        
             
        
        
        
Mult 2 by x you'll get 2x then 2 by 3 you'll get 6 and add 6 to 5, after that you'll get 11 it should look like this 2x+11.
        
                    
             
        
        
        
Well metric unit is for measurement and place value units is for numbers
        
                    
             
        
        
        
Answer:
the number of protons in the nuclues of an atom
 
        
             
        
        
        
The quotient (÷) of 35 and the quantity of x minus 7 (x - 7).
