Does Baptism Save You? And How?

Mark 16:15-16
15 And He said to them, “Go into all the world and preach the gospel to every creature. 16 He who believes and is baptized will be saved; but he who does not believe will be condemned.
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1 Peter 3:21
21 There is also an antitype which now saves us—baptism
(not the removal of the filth of the flesh, but the answer of a good conscience toward God), through the resurrection of Jesus Christ,
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Luke 7:30
But the Pharisees and lawyers rejected the will of God for themselves,
not having been baptize
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Hebrews 3:18-19
18 And to whom did He swear that they would not enter His rest,
but to those who did not obey?
19 So we see that they could not enter in because of unbelief.