Answer:
20.60000000000
Step-by-step explanation:
Answer:
8,185,320 different leadership structures
Step-by-step explanation:
Since the order at which the members of the committee are chosen matters, this is a permutation of 4 out 55 people and it is given by:

8,185,320 different leadership structures are possible.
Answer:6
Step-by-step explanation:
-7=s+(-13)
Open bracket
-7=s-13
Collect like terms
s=-7+13
s=6
Answer:
Need a picture of the problem.
Step-by-step explanation: