a. Cassie has seven skirts, five blouses, and ten pairs of shoes. How many possible outfits can she wear?
b. Cassie decides that four of her skirts should not be worn to school. How many possible outfits can she wear to school today?
c. Two of Cassie's friends come over and share her clothes. In how many different ways can the three girls wear the seven skirts?
d. Cassie has six bracelets. In how many different ways can she wear three bracelets at a time?