Arabia because she has the largest numbers
Answer:

The world population at the beginning of 2019 will be of 7.45 billion people.
Step-by-step explanation:
The world population can be modeled by the following equation.

In which Q(t) is the population in t years after 1980, in billions, Q(0) is the initial population and r is the growth rate.
The world population at the beginning of 1980 was 4.5 billion. Assuming that the population continued to grow at the rate of approximately 1.3%/year.
This means that 
So


What will the world population be at the beginning of 2019 ?
2019 - 1980 = 39. So this is Q(39).


The world population at the beginning of 2019 will be of 7.45 billion people.
Since we know that in π radians there are 180°, thus how many radians in 132°?
Answer:
6 3 /11
Step-by-step explanation:
10 5/11 - 4 2/11
since they already have a common denominator
10 5/ 11
- 4 2 /11
-------------
6 3 /11