What values of c and d would make the following expression represent a real number?
i(2 + 3i)(c + di)

c = 2, d = 3

c = –2, d = 3

c = 3, d = –2

c = –3, d = –2

Kristen is wrapping presents for the holidays. she has a box that measures 4 ft. x 2 ft. x 2 ft. how many square feet of wrapping paper does she need to cover the box without overlapping?