Answer:
Option b.
Step-by-step explanation:
we have

Evaluate

therefore
He did not apply the power to the denominator of 3/5
 
        
                    
             
        
        
        
Complete 2/3 x the number of plates
        
             
        
        
        
X>1 if that helps with your problem
        
             
        
        
        
 =(5x+4)°
=(5x+4)°
 =(2x-2)°
=(2x-2)°
 =(4x-6)°
=(4x-6)°
we know that, 
 =
= +
+
According to the question, 
 
 
 
 
 
 
 
 
so,
 
 =(4x-6)°=(4×12-6)°=(48-6)°=42°
=(4x-6)°=(4×12-6)°=(48-6)°=42°
 
        
             
        
        
        
Answer:
he can buy 30
Step-by-step explanation:
21.62 divided by .78 = 30.0277777778,you dont have enough for 31