Answer: 
Step-by-step explanation:
The standard form of a circle is written as such:

Where (h, k) is the center of the circle, and r is the radius.
We know that the center is (-7, 0), so we can plug that into the equation like this: 
The radius is 3 * the square root of 3. To square this, we can multiply 3 squared and the square root of 3 squared:

So, your standard form equation is the following:

Step-by-step explanation:
F respiratory system only remove carbon dioxide from the body
Answer:
Yes
Step-by-step explanation:
Becuase a statistical question is "one that can be answered by collecting data and where there will be variability in that data" you can collect data to find out
Answer:
what is the question lol
Step-by-step explanation: