360 3/5
360 3/5
1- 2x+3y=12
2- y= 18 - X2 (y = 1/2 ( X2 -18
3- B 65 A B 10 A 15
; 08-21-2015 02:46 PM
4- x2/9 + y2/49 = 1
5- 2X + y = 12
: 1 (0 1 )
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