Answer: I would say the third one
Step-by-step explanation: I hope this helps if it is wrong i am so sorry I hope you have a great day of night stay safe :)
I'm sorry the picture is blurry. Could you post another one.
Slope of a line passing through these two points is
.
Hope this helps.
You need to do 20 divide by 21 to get a decimal. Then if you multiply the decimal by hundred you should get the percentage.