5 least common multiple is 5 nines is 3 and thirty's is 3
        
             
        
        
        
You would need 9 boxes of tiles to cover it.
I hope this helps! :) 
 
        
                    
             
        
        
        
6. 
the y-intercept is 4, which means the line crosses the y-axis at the point (0,4).
[just put a dot on the number four that's right under the letter y]
the slope of the line is positive, so it goes up from left to right.
Start at the y-intercept. Move up 2 and then move right 1.
You are now at the point (1,6). 
[go to 1 for the horizontal line, then go up 6 spaces.] [connect two points]
7. y= -1/2-3
8. y=3x+4
 
        
             
        
        
        
Answer:
D: -√15/7
Step-by-step explanation:
Hopefully this helps!