Let = names of the states in the united states = states that begin with the letter "a" = {ak, al, az, ar} = states that border mexico = {az, ca, nm, tx} = states on the pacific coast = {ak, ca, or, wa} a. [2 pts] find ∪ b. [2 pts] find ∩ c. [2 pts] find ∪ ∩