Which is the "strongest" encryption algorithm and hash algorithm?

whish would be the hardest to break into...and which is the best/strongest
ENCRYPTION ALGORITHM-
AES
Serpent
Twofish
AES-Twofish
AES-Twofish-Serpent
Serpent-AES
Serpent-Twofish-AES
Twofish-Serpent

HASH ALGORITM-
RIPEMD-160
SHA-512
Whirlpool
0