Ms. De Leon wants to produce different sets of test questions for her essay test. If she plans to do this by putting together 3 out of 5 que

Question

Ms. De Leon wants to produce different sets of test questions for her essay test. If she plans to do this by putting together 3 out of 5 questions she prepared, how many different sets of questions could she contruct?
A.10
B. 20
C. 60
D. 80​

in progress 0
Ngọc Khuê 5 months 2021-08-27T22:51:57+00:00 1 Answers 3 views 0

Answers ( )

    0
    2021-08-27T22:53:24+00:00

    The correct answer is b

Leave an answer

Browse

Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )