Question

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Answer 1

plug in your order pairs and see which expression is false

order pairs look like (x,y)

Answer 2

look at this comment. now look at the two comments before this

Answer 3

okay i'll do the first one...

(-3,0) this means x = -3, y = 0

plug that into your equation y < -x + 6

0 < -(-3) +6

0< 9

is this true? yes. so the first is a solution to the inequality

i see you post here all the time. there is a difference in trying to learn, and trying to get answers