Answer:
2x+12
Step-by-step explanation:
We have a square patio, then each side of the patio has the same lengt. As we know the perimeter of a square is the sum of all sides. Then to know the length of the patio we just need to divide by 4 the perimeter.

Then each side of the square patio has a length of  2x+12
 
        
                    
             
        
        
        
There are 64 boys in the class because 24/3=8 and you have to do the same thing so 8 times 8= 64
        
             
        
        
        
Answer:
The correct answer is B (The universe was hotter previously than it is now
 
        
                    
             
        
        
        
Answer:
20x+50
Step-by-step explanation:
Let x represent the number of days he has the car
20x+50
It is 20x, because it costs 20 dollars for each day he has the car, and +50, because there is a fee, regardless of how many days he has the car. 
Hope this helps!
 
        
             
        
        
        
Answer:
Step-by-step explanation:
3 sheets are shared between four friends.
Each friends will get = 3 ÷ 4
                                  = 