The 2 is the hundredths value.
Hope it helps!
A) systematic
B) cluster
C) stratified
D) convenience
E) random
If you need explanation, just let me know!
Step-by-step explanation:
the average change rate of a function f(x) in an interval [x1 .. x2] is
(f(x2) - f(x1)) / (x2 - x1)
in our case that is
(7000 - 2500) / (20 - 0) = 4500 / 20 = 225
the population changed in average by 225 people per year from 1900 to 1920.
First you woyld find how many hours total he worked.
Then take the number of hours and multiply by the pay earned per hour.
They would make $360 per week.