Answer:
just choose E if you dont get it
Step-by-step explanation:
 
        
             
        
        
        
 

The property that justifies multiplying through eqn(2) by -2 is;
the rationalization to align the coefficients of x in both equations with a view to eliminating the terms in x.
 
        
             
        
        
        
Answer:
a) 25/324
b) 1/4
c) 1/3
Step-by-step explanation:
a) [⅓A + ⅓B]² = (⅓)²[A + B]²
= (1/9) [½ + ⅓]² 
= (1/9)(⅚)²
= (1/9)(25/36)
= 25/324
b) ½ × ½ = ¼
c) (½ × ⅓) + (⅓ × ½) = 2 × ⅙ = ⅓
 
        
             
        
        
        
Answer:
(4, -5)
Step-by-step explanation:
Start from the origin, (0, 0). Go 4 units right and 5 units down.
K(4, -5)
 
        
                    
             
        
        
        
Answer:
18
Step-by-step explanation:
1/2bh
9 x 4 = 36
36/2 = 18
area = 18