Premise:
"All five of the regulatory agencies that we examined were using some form of IT to notify the public about opportunities to participate in rulemaking and to facilitate the receipt of public comments."
Hypothesis: IT was used by all of the regulatory agencies to communicate to the public.

yes

Premise:
"If you believe that the trust fund is an accounting fiction (the government borrowing from itself, paying itself interest, and writing checks that are government commitments irrespective of the fund), then the transaction is a total wash."
Hypothesis: The trust fund is accounting fiction.

it is not possible to tell

Premise:
"For the 40 volume Schomburg Library of Nineteenth-Century Black Women Writers he edited, he appointed others to put together the books and write their introductions."
Hypothesis: Schomburg Library of Nineteenth-Century Black Women Writers has forty volumes.
yes