A professor must randomly select 4 students to participate in a mock debate. There are 20 students in his class. In how many different ways can these
students be selected, if the order of selection does not matter?

When are triangles considered similar? a. corresponding angles are equal andcorresponding sides are proportionalb. corresponding angles are proportional andcorresponding sides are equalc. corresponding angles are equal orcorresponding sides are proportionald. corresponding angles are proportional orcorresponding sides are equal select the best answer from the choices providedmark this and retumsave and exitnext