Faith and Shawna are shopping for shirts. The available styles are short sleeve (S), tank top (T), and long sleeve (L). They made an organized list to show all possible outcomes if each girl buys a new shirt. Is the list complete? Explain.
(S, S), (S, T), (S, L), (T, S), (T, T), (T, L), (L, S), (L, T), (L, L)

a
Yes, all possible outcomes are listed.
b
No, they are missing the combination of 1 short sleeve shirt and 1 tank top.
c
No, they are missing the combination of 1 long sleeve shirt and 1 tank top.
d
No, they are missing the combination of 2 tank tops.