400. Just add a zero when you're dealing with tens
We need to see the table in order to answer the question...
No, Jonah is not correct. The answer is shown in the picture.
Not entirely, it could be an isoceles triangle (a triangle which all sides are different lengths) but there is still a possibility.
Y=29
Issheishwsihwsuwh i dont know why 8 have to write 20 charcters