Answer:
Step-by-step explanation:
If you are always included to lead, that leaves 10 students to choose from.
If all that is important is being selected, then there are 10C3 = 120 ways to choose them.
If each selection has a unique duty, then there are 10P3 = 720 ways to assign them their jobs.
Answer:
A.aas
Step-by-step explanation:
25 is the answer for number 3
Answer:
y=-x-1
Step-by-step explanation:
