2.8-(-5.1)
-(-5.1)=5.1
2.8+5.1= 7.9
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7 is the right answer(please rate 5.0 stars so i can help other people out thanks)
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1. iThis is shaped like a V with its vertex at the point (0,5)
( its ( 1,7)
2. -3 <= -1-1 = =2
so its (-1, -3)