Look at this table: х
у
-19
2
2
11
8
16
Is this relation a function?
yes
no

The answer is No

Step-by-step explanation:

no because it has two of the same x values

127

whether it's diameter, or radius, i believe if i remember correctly from school, every amount has to always add up to 180. so if you take 53, and starting adding, long story short, taking 127 and adding it to 53, gives you 180.