Remember, the full list of Reference Questions can always be found in the sidebar or at this link.
Question: According to Heb 5:1, Every high priest is what?
Answer: Selected from among men and appointed to represent them (men) in matters related to God, to offer gifts and sacrifices for sins. (cf Heb 8:3)
Question: According to Heb 5:2, He is able to what?
Answer: Deal gently with those who are ignorant and are going astray (since he himself is subject to weakness). (cf Heb 2:18, 7:25)
Question: According to Heb 5:9, He became what?
Answer: The source of eternal salvation for all who obey him (once made perfect). (cf Heb 1:4, 7:21)