Yes it would make a triangle
N=-14
-7×2 is -14
you do the opposite when finding a letter
The first choice because it’s easier than having to add a bunch of numbers so S=(9)(2)(4)
True because there is one x value corresponding to one y value
Sorry, but I don't really understand the question. Explain it more to me in the comments, and I'll try to give an answer.
༼ つ ◕_◕ ༽つ