Total number of members = 12
Members to choose at a time = 2
This is a combination problem and we are to find the combination of 12 objects taken 2 at a time i.e. we are to find 12C2
12C2 = 66
So, there are 66 ways of selecting a president and vice president.
Therefore, the correct answer is option D
Associative property is a+(b+c)=(a+b)+c
step1 is commutative property of addition
2nd step is associative property of addition
3rd step is distributive property
4th step is mutliplication or associative property of multiplication
His brother jogged more by 1 1/10 kilometers.
3x + 20 = 40 + 40
3x = 60
X = 20
V + 71 = 107
V = 36
Answer:
-3072
Step-by-step explanation:
