2. a) How many ways can a psychology student select 5 subjects from a pool of 20 subjects and assign each one to a different experiment?

b) Out of a group of eight students serving on the Student Government Association, how many different ways can a president, a vice president, and a treasurer be selected?

c) How many four letter passwords can be formed from the letters A, B, C, D, E, F, G, and H if no repetition of letters is allowed?

part 2

3. a) How many ways are there to select three math help websites from a list that contains six different websites?

b) How many ways can 3 cars and 4 trucks be selected from 8 cars and 11 trucks to be tested for a safety inspection?

c) How many ways can 2 men and 2 women be selected for a debate tournament if there are 10 male finalist and 12 female finalist?

Please show work for both answer thank you so much!