In the United States, barometric pressures are generally reported in inches of mercury (in. Hg) on a

Question:

In the United States, barometric pressures are generally reported in inches of mercury (in. Hg) on a beautiful summer day in Chicago the barometric pressure is 30.45 in. Hg.
(a) Convert this pressure to torr.
(b) Convert this pressure to atm.
(c) A meteorologist explains the nice weather by referring to a "high-pressure area." In light of your answer to parts (a) and (b), explain why this term makes sense.