I believe so yes this is correct I think
        
             
        
        
        
Answer:
the 4th one is the answer
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer: Y=-3x+5 
Explanation:
        
             
        
        
        
Answer:
The area of the section for the picnic tables is 
Step-by-step explanation:
we know that
The area of the schoolyard is equal to the area of a rectangle plus the area of a triangle
so

The area of the triangle is equal to
