2/5 ≥ x - (4/5). add 4/5 to each side
6/5 ≥ x
        
             
        
        
        
Answer:

Step-by-step explanation:
A kite consists of two pairs of congruent adjacent sides. Therefore, we have the following equation:
 , where
, where  is the length of the shorter sides.
 is the length of the shorter sides.
Solving, we get:
 .
.
Plugging in  into
 into  , we get:
, we get:
 .
.
Therefore, two sides have length  and two sides have length
 and two sides have length  .
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Answer:
28
Step-by-step explanation:
 
        
             
        
        
        
        
Answer:
Combine the ones to make 8 ones
Step-by-step explanation:
It seems the most reasonable. (Also, all the other options are wrong-) I just don't see why it's making you go through this process when you can just add 12 + 6 in your head lol.