I think you’re looking for what x is? If so, x=-19 2/7 or -135/7
Well if they put up 12-mile markers put one at the beginning and one at the end and one at every mile in between then they will have put up 13 or 14 mile markers
The slope is constant because the graph shows a line
1. Pi is usually referred to as 3.14, so the answer is 1
2. b) Endless
3. d) √5
4. a) 1/27
5. c) Irrational Numbers
I hope this helps! Let me know if you would like an explanation as to how I got the answers :)