Answer:

Step-by-step explanation:
 
        
                    
             
        
        
        
From principle of floatation:
W = U
The volume of water displaced is as a result of the volume of object submerged. 
The wood would also float with 1/4 of its total height or total volume below the water surface.
        
             
        
        
        
Answer:
$82
Step-by-step explanation:
If the coat is 1/3 off then you pay 2/3 of the price. To find a sale price, multiply the cost by 2/3.
123(2/3) = 246/3 = 82
 
        
             
        
        
        
Answer:
55 i think
Step-by-step explanation:
 
        
             
        
        
        
F(x)= -4x+9
Multiply f*x
xF=9+4x
Solve for X: -4x+xF=9+4x-4x=0
Combine like terms: -4x+4x=0
-4x+xF=9+0= 9
-9+-4x +xF = 0.