Answer:
24 ways
Step-by-step explanation:
Given that
Number of students = 4
Lecturer have to stand in the middle position.
We have five places in which middle place is for lecturer,now we have four places and we have to arrange four students on that four places.So there will 4! ways to arrange those students.
4!= 4 x 3 x 2 x 1
4! =24
So we have 24 ways to arrange 4 students and one lecturer .
Answer: #1) y=5x-73
#2) y= 2/5x - 47/5
Step-by-step explanation:
Answer:
the answer is two groups. six times two is 12, 12 is one less than 13 but six cannot go into one
Answer:
4/11
Step-by-step explanation:
there are 4 green out of 11 total