Answer:
y=-2/3x -6
Step-by-step explanation:
y=-6 so b=-6
rise/run=-2/3
Put that into an equation of y=mx+b and you get y=-2/3x -6
4 cm
Step-by-step explanation: brainly.com/question/22920148?answering=true&answeringSource=feedPublic%2FhomePage%2F1
check the picture below.