Aprofessor 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?

What is the solution to the division problem below x3+x2-11x+4/x+4

Factor this polynomial completely. 12x^2+ x-6

20 ! identify the degree of comparison of the underlined adjective or adverb. read the sentence. for marley, spelling is the most difficult subject. which best identifies the degree of comparison of the underlined adjective or adverb? -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-a. imperativeb. comparativec. superlatived. positive