Answer:
(2, 2) states x=2 and y=2
Considering the inequality:

Is y less than or equal to 2 when x = 2?
 
Yes, (2, 2) is a solution for the inequality.
 
        
             
        
        
        
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Answer:
Step-by-step explanation:
Loss is 20%
S.P=Rs60000
C.P=S.P*100/100-loss%
=60000*100/80=Rs75000
So he brought is at Rs75000
Now he wants 12% profit
So 
S.P=(100+profit%)/100*C.P
=100+12/100*75000
=112/100*75000=Rs 84000
He will have to sell Rs14000 more to gain profit of 12%
 
        
             
        
        
        
Answer:
80
Step-by-step explanation:
Triangles angles measure 180 degrees when added.
You have 2 at 50 which makes 100 degrees.
180 - 100 = 80 degrees
 
        
             
        
        
        
Answer:
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Step-by-step explanation: