I think the answer is D, None of the above
Well, the keyword here is One of the performers insist on being the last.
So, the amount of performers that we can arrange freely is 7 performers.
Different ways we can schedule their appearance is :
7 ! = 7 x 6 x 5 x 4 x 3 x 2 x 1
= 5040
hope this helps
Answer:
Go google the answer
Step-by-step explanation:
The answer is C. y=1/4 x + 9
Hope this helps
