Answer:none
Step-by-step explanation:
Because they are all straight angle line
Y=2x —> positive line
Y=2-x —> negative line
Y=x2-2 —> positive line
Y=-2x —> negative line
You can also check this at desmos
Answer: 1 hour 20 minutes
<u>Step-by-step explanation:</u>
Let's figure out how long it would take 1 person to dig the hole and then divide that number by 9 (since they are sharing the workload).

Answer:
$50 per day
Step-by-step explanation:
she works five days in week and she gets 250 bucks
250/5=50
Your screen is to blurry, can you redo the question?? I’d like to help.
Yes the graph does show a proportional relationship because each x value has only one y value