9. In how many Persons does this one God exist?
Answer
God exists in three Persons: the Father, the Son, and the Holy Spirit.
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After his baptism, as Jesus came up out of the water, the heavens were opened and he saw the Spirit of God descending like a dove and settling on him. And a voice from heaven said, “This is my dearly loved Son, who brings me great joy.”
-Matthew 3:16-17 NLT

“But I will send you the Advocate—the Spirit of truth. He will come to you from the Father and will testify all about me."
-John 15:26 NLT

"Therefore, go and make disciples of all the nations, baptizing them in the name of the Father and the Son and the Holy Spirit."
-Matthew 28:19 NLT