Form the intersection for the following sets. R = {10, 15, 20)
S = {20, 25)
RAS =
OO
(10, 15, 25)
O [20]
(10, 15, 20, 25)

A dog has sharp teeth so that it can eat flesh very easily, it has four legs, two ears, two eyes, a tail, a mouth, and a nose. It is a very clever animal and is very useful in catching thieves. ... Dogs are a very faithful animal. It has a sharp mind and a strong sense of hearing smelling the things.