Respuesta :

Answer:

I'm pretty sure its B sorry if I'm wrong

Step-by-step explanation:

can I get a cookie now

Answer:

The inner circle has a radius of 7 and the outer circle has a radius of 9 and the

formula to get the circumference of a circle is 2pi r where r is the radius. 18-14 =[tex]\boxed{B) 4}[/tex]

Hope this helped and brainliest please