Answer:
The scale factor is 4
Step-by-step explanation:
Divide one of the sides on the larger shape with the corresponding side on the smaller shape. So if you choose the top one you would to 40/10 which is 4.
Step-by-step explanation:
Please edit the question is not clear
Answer:
I think the answer is A but I am not for sure
Step-by-step explanation:
The interest is $77.60 i think
Answer:

Step-by-step explanation:
Let x is the total population of the world.
Therefore, by the condition given the population of North America is
Again it is given that
fraction of the world's population lives in the United States of America.
So,
is the population of USA.
Therefore, the fraction of the population of North America that is the population of USA will be
(Answer)