plzz i really need this plzz no aubsurd answers

Answer:
Step-by-step explanation:
7.
y= -2x+2
8.
y= -x-3
9.
y= 2/3 x + 1
10.
I'd put a point on (0, 15) , (1, 30), (2, 45) and etc....
Use a ruler to connect these points and use it to draw a straight line that hits all these points.
Good luck