In the exercises below, does the problem involve permutations or combinations? Select an answer Of the 100 people in the U.S. Senate, 18 serve on the Foreign Relations Committee. How many ways are there to select the members of this committee? Select an answer In a race in which six automobiles are entered and there are no ties, how many ways can the first three finishers come in? Select an answer How many different four letter passwords can be formed from the letters A,B,C,D,E,F and G if no repetition of letters is allowed