Answer:
<h3>The common ratio is 2</h3>
Step-by-step explanation:
To find the common ratio of the geometric sequence divide the previous term by the next term
That's
0.9 / 0.45 = 2
1.8 / 0.9 = 2
Therefore the common ratio is 2
Hope this helps you
The answer to the question
Four hundred thousand two hundred five
Dan isn’t correct it’s either c or d
First I let's represent our data in the table and make a scatter plot ( i attached the image).

Points labeled
A are called data set.
Point labelled
B is called the outlier. The outlier is a point that does not fit well with the rest of our data set. Posible
reason for point B is that someone is super smart and they don't need to spend a lot of time studying to achieve good results.
PartBWe can see from the graph that the number of hours spent on social media and test scores are negatively correlated. See a scatter plot, I added the trend line.
In other words, the more hours you spend on social media the lower your test scores should be.