Answer:
Step-by-step explanation:
15) Line will point going from right(top of line) to left(bottom of line).
Start at 3 on y axis and go up 2 and over to the right 1.
Then create the line with some dots.
16) Same as 15 but just have the line go in the opposite direction and go up 1 over 1. Starting from 2 on y axis.
17) Same direction as # 15. start at -4 on y axis and go up 2 and over to the right 3.
18) Try on your own.
19) Image.
20) Image.
