Moses died at age 120. What is unique about Moses old age?

Moses Eyesight was not dimmed also God kept him vigorous throughout his earthly walk.

Source:

Deuteronomy 34:7

Barzillai was an old man who helped Kind David. When the King invited him to live in Jerusalem he sent someone else due to his age. Who did Barzillai send in his place?

Barzillai sent his son Chimham in his place. He remained at Jerusalem with his family for years.

Source:

2^nd Samuel 19:31-39

Jesus told Peter this would happen when he became old. What did he tell him?

Jesus told Peter that another would dress him and carry him where he would not want to go. Predicting that Peter would die a martyr.

Source:

John 21:18

In Acts on the island of Malta Paul healed many people beginning with an old man. Who is the man and what disease did he have?

Paul healed the father of Publius the chief man (governor?) of the island. He had a fever and bloody flux most likely dysentery.

Source:

Acts 28:7-8

Jacob and Rebekah tricked Isaac into giving Jacob his blessing instead of Easu. What kind of meat did he bring his father?

Jacob brought goat meat prepared by Rebekah for Isaac.

Source:

Genesis 27