I like to think of the - or under as the less likely to happen like a cat beating up a bear u don’t want to put your money on the cat so everyone puts there money on the bear making the bear the over and the cat the under
Chipped toothed
Bit of a potato
Let's hope ya don't get fried
And the dentist on the phone
A^2 + 16^2 = 20^2
(Third one)
Y=3x2+1
Hope this helped :)