18 choose 7
=C(18,7)
=18!/(7!(18-7)!)
=31824
OR
18 choices for first passenger,
17 choices for second passenger,
....
12 choices for 7th passenger,
so total = 18*17*16...12
but there are 7! ways to order the 7 passengers, so
number of groups
=18*17*16...12/7!
=31824 as well
Answer:
A.5
B.16
C.11
D.3
E.5
Step-by-step explanation:
<h2>
Answer:</h2>

The solution for x in this equation is <em>18</em>.<em> </em>
Answer:
The identity property of multiplication, also called the multiplication property of one says that a number does not change when that number is multiplied by 1. Ex. 12x1=12
Answer:
1,474,951.
Step-by-step explanation:
Given a population that increases by a constant percentage, we can model the population's growth using the exponential model.

Therefore, the population of the city in 13 years time will be:

The population be at that time will be approximately 1,474,951.