Sometimes the outlier, if it's too large, can throw off the mean, making it larger and smaller, so it isn't as accurate
sorry if this doesnt make sense if you need me to explain it more I will
Answer:
y= 8/7x+ 37/7 for the equation that the line passes
It would be 18/25 i believe
A triangle, because there's only one way you can fold it to match it's equal side.