Given the center
and the radius
of a circle, its equation is

In your case, the center is (-4,0), and the radius is 2. Plug these values into the generic formula and you'll get the equation.
Answer is in the attachment below. If you have any questions about the workings, just leave a comment below.
Answer:
B. Stratified random sample is the correct answer
Answer:
No, Jimmy is earning $5 per hour while Amanda is earning close to $6.66 per hour.
Step-by-step explanation:
Have a nice day/night :)