Answer:
cos l = 8/10 
Step-by-step explanation:
cos = b/h 
=> cos l = 8/10
 
        
                    
             
        
        
        
A is the answer. Reflection and rotation.
        
             
        
        
        
Answer:
486 cm
Step-by-step explanation:
9×9=81
there are 6 faces
81×6=486
 
        
             
        
        
        
Step-by-step explanation:
x2-8x-3x+24=0
x(x-8) 3(x+8)
(x-8)(x+8)
x-8=0 or x+8=0
x=8. x= -8
 
        
             
        
        
        
Answer:
If you cut along the dotted line and remove the pieces you cut off, fold the sides inward and you get a moving box.
Each dotted line is 2 feet long, and each un-dotted line is also two feet.
Good luck, I hope this helps because honestly I just tried to figure it out for an hour. Lol.