You know that -3 is the Y intercept(vertical graph line) and then continue 2/1 every x value that is plugged in.
Answer:
I sorted them by colors: red goes with red, blue with blue, purple with purple and brown with brown :))
Step-by-step explanation:
Up and down up and down up and down
The answer is 3. While scale real height is 24 arm is 12. 24/2=12
So6÷2=3