Answer:
the equation is x= 2908
Step-by-step explanation:
you need to find the number of books they had by taking the new total and subtract it by the number they add and that would equal x in the problem
 
        
             
        
        
        
Answer:
 To graph this line, move one of the points to positive three on the horizontal (side to side) line and negative six on the vertical (up and down) line. To get a slope of negative 1/2 you move down one point and right two points, and you continue until you reach the edge of the graph. Then you do the opposite on the way up (up one and left two). 
 Hope this helps!
 
        
                    
             
        
        
        
Answer:
There are 8 people on the train.
Step-by-step explanation:
20 - 15 = 5
5 + 3 = 8
 
        
             
        
        
        
Answer:
an enlargement or a reduction of the figure 
a slide of the figure 
a turning of the figure about some fixed point 
a mirror image of the figure