Answer: B 
Step-by-step explanation:
7(-2) - 4(1) = -18 
-14 - 4 = -18 
-18 = -18 
TRUE 
(-2) + 12(1) = 10 
-2 + 12 = 10
10 = 10 
TRUE
 
        
             
        
        
        
The average height of the fence is 2 m; its length is 20π m. So, its 2-sided area is
  A = 2*(2 m)*(20π m) = 80π m² ≈ 251 m²
At 1 L/(100 m²), it will take 2.51 L of paint to paint both sides.
        
             
        
        
        
Answer:
its c
Step-by-step explanation:
 
        
             
        
        
        
The answer is C cause from 
10