the associative property of addition. Try and memorize the different properties. youll need to know them later on. I hope this helped!
 
        
             
        
        
        
Answer:
The three collinear poitns are D, A, and E.
Step-by-step explanation:
Collinear points are points that all reside on the same line. Since we are looking for 3 seperate points we need a line with 3 points. There are only 2 lines on the picture and only one has three lines getting you your answer.
 
        
             
        
        
        
Answer:
20
Step-by-step explanation: 
i think but not fur shure
 
        
                    
             
        
        
        
A) x - 7 > 3    |add 7 to both sides
     x > 10
b) x - 7 > 3    |add 7 to both sides
     x > 10
        
             
        
        
        
Answer:
False
Step-by-step explanation:
A square and a parallelogram could have proportional sides but the angles would not be the same