Answer:
126
Step-by-step explanation:
There are 9 city council members.
We have to choose 4 of them.
We have to use the combination as :
where, 9 is the population size
4 is the sample size.
Therefore, the total number of possible samples without replacement is given as :



= 126
Answer:
10.12
Step-by-step explanation:
5.6x2
Answer:
D
Step-by-step explanation:
Answer:
b, d
Step-by-step explanation:
20/-4 = -5
20 x (-1/4) = -5