It's not a multiple choice answer is it?
The first one is the last answer because you subtract 18 and when you divide you change the inequality symbol
the second one is the last answer for the same reason
the 3rd one is x<-1.25
the 4th one is x<8/15
Hey there find an image attached..
The answer is:
The measure of an exterior angle of a triangle is equal to the sum of the measures of the remote interior angles.
That's the symmetric property