Dependency: A variable whose value depends on the value assigned to another variable (independent variable).
Correlation: The relationship between two or more variables is considered as correlation.
In statistics, when we talk about dependency, we are referring to any statistical relationship between two random variables or two sets of data. Correlation, on the other hand refers to any of a broad class of statistical relationships involving dependence.
Answer:

Step-by-step explanation:
If there is 1500 cellular phones per 1000 people, then the number of phones per person is:

Now we know that 
The answer would be 4(x^6+x-3)
Answer:
Example of Vertical angles: angle RTS and angle STE
Another Example of vertical angles: angle RTS and angle LTE
Verticles angles are Angles opposite of each other formed by intersecting lines.
Answer:
X= 9
Step-by-step explanation:
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