Hello,
The formula for finding the circumference of a circle is

where r is the radius. SO we can plug 4 in for r in this formula because 4 is the radius:

. We are told to use 3.14 for

so we get

. Therefore, the circumference is 25.12 meters.
So the answer to this is C, cause I did an image
Answer:
lol it is 7 90 3
Step-by-step explanation:
A manufacturer<span> of </span>medical supplies produces 1 liter bags<span> of </span>saline solution. thecost<span> to </span>produce x thousand bags<span> of </span>saline<span> is </span>given<span> by the </span>cost<span> func. ... thousand </span>bags<span> of </span>saline<span> is</span>given<span> by the </span>cost function<span> C(x)=1.7x^2-5.3x+3.2, ...</span>