Select all the relations that represent a function. 0 (1, 3), (2,5), (2, 7) (4,9)
(1,3), (2, 5), (3, 7) (4,9)
(1, 3), (1, 5), (1, 7) (4, 9)
O
(1, 3), (2, 3), (3, 3) (4, 3)
O
(1, 2), (2,5), (2, 1) (4, 5)

All the time to get a chance all all do so do Debi I have to do

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.