Answer:the width of plywood = 6.25 feet wide or  6 1/4 feet wide
Step-by-step explanation:
 Step 1 
 Area of  a rectangular plywood = length x width
Area of Ist Plywood= 7 x w
 Area of 2nd  Plywood= 61/2 x w=6.5 xw
 But Total Arae of trhe two Plywoods are = 84 3/8 square feet.
 Therefore Our equation to solve the problem becomes
Area of Ist Plywood + Area of 2nd  Plywood =84 3/8 square feet.
 7w + 6.5w =  84 3/8
13.5w= 84 3/8
w =  84 3/8/13.5
675/8  / 13.5
w=6.25
 Therefore the width of plywood = 6.25 feet wide or 6 1/4 feet.
 
        
             
        
        
        
The slope of the line is -3/4
        
                    
             
        
        
        
Answer:
$13.50
Step-by-step explanation:
if the total is $31.50, it is both the blouse and the skirt together, so uf you take away the blouse from the total ($31.50 - $18) then yiu are keft with the price of the skirt
 
        
             
        
        
        
I cant access paper right now so i can only give the answer
x= 0,1 
 
        
             
        
        
        

x² - x - 12 ≠ 0
x² - 4x + 3x - 12 ≠ 0
x (x - 4) + 3 (x - 4) ≠ 0
(x + 3)(x - 4) ≠ 0
x ≠ -3 or x ≠ 4
(B)