Rewrite the following using mathematical symbols. a. Q is equal to the set whose elements are t, b, and c b. The set containing 3 and 6 is equal to the set containing 6 and 3. c. The set containing 3 and 6 only is not a proper subset of (1,3,4). a. Q is equal to the set containing t, b, and c. (Use a comma to separate answers as needed.)