(a) The outcomes are 6 outcomes
The outcomes can be
-iceberg and ranch,
-iceberg and Italian
-iceberg and French
-romaine and ranch
-romaine and Italian
-romaine and French
(b) The outcomes are 9 outcomes
Diego and Jada can respectively choose
-rock and rock
-rock and paper
-rock and scissors
-paper and rock
-paper and paper
-paper and scissors
-scissors and rock
-scissors and paper
-scissors and scissors
(c) The outcomes are 12 outcomes
The result of the spins can be:
-BAD
-BAN
-BAT
-BED
-BEN
-BET
-MAD
-MAN
-MAT
-MED
-MEN
-MET