Answer:
52
52
is the correct answer the probability that card drawn is a faace card
Answer:
The correct answer is - an observational study.
Step-by-step explanation:
It is given that, Researchers periodically survey a few thousand of the patients. These are taking specific medicine patients and researchers taking this survey to find the connection between that medication and the subjects' general health.
So, it can say that the researchers observed the patient's health by the effect of the medication, therefore, the Observational Study is the given method of gathering data.
Answer:


Step-by-step explanation:
Write the system


Solve by Elimination.
multiply the second equation by -3.


Add the Equations.


Plug this back in one of the equations.


Answer:
The net worth of a person is the difference between a person's assets (non-financial and financial) that he/she owns and the debt that person owes.
Value of Assets - Debt and liabilities = Net Worth