<PRE><B>Question 127047</B>
The coordinates of a parallelogram are (4,4),(5,7),(10,5) and (x,y) and x is greater than 10. What is the value of x+y? 
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Graphing the three points will help you see that 
the missing point is (11,8)
So the sum of x and y is 19.
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Notice that (10,5) is 6 to the right and 1 up from (4,4)
So (x,y) has to be 6 to the right and 1 up from (5,7)
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Cheers,
Stan H.</PRE>