Answer:
580 cm^2
Step-by-step explanation:
First, find the area of the front and back. 20*10=200
There are 2 sides with 20*10 ( front and back) so we can multiply by 2. 200*2=400
Then, the sides. 3*20=60*2=120
Then, the top and bottom 10*3=30*2=60
400+120+60=580
 
        
                    
             
        
        
        
He sold 18 tickets class play tickets.  Hope this helps :) 
        
                    
             
        
        
        
Answer:
10x2= 20 -7 =13  :answer is 10.
Step-by-step explanation:
 
        
                    
             
        
        
        
A Rational Number is a real number that can be written as a simple fraction (i.e. as a ratio).
Most numbers we use in everyday life are Rational Numbers. gave me thanks
        
                    
             
        
        
        
Answer:
12
Step-by-step explanation:
Combine like terms *-12x and 12x*
-12x and 12x cancel each other out, therefore your x is gone.
That being said, your answer is 12.