Answer:
x=3
Step-by-step explanation:
5x+4=19
5x=19-4
5x=15
x=15/5
x=3
 
        
                    
             
        
        
        
Answer:
c
Step-by-step explanation:
 
        
             
        
        
        
Check the picture below.
the ball hits the table, when it hits "the ground" or goes all the way back down, at that point, the height of the ball is 0, thus h = 0.
 
 
        
        
        
From the given image, we can see that Angle 1 and Angle B are alternate angles. Using the information that these alternate angles Angle 1 and Angle B are equal, then we know from theorem that the line segments AD and BC are parallel. Therefore, the answer is AD ll BC.