Help me I need help I need help

Answer:
[tex]\Huge\boxed{131.88}[/tex]
Step-by-step explanation:
Hello There!
First thing we want to do is find the formula for circumference of a circle
C = 2(3.14)r
where r = radius
we are given the diameter so we have to convert that into radius to do so we just divide by 2
42/2=21 so the radius equals 21 inches
now we just plug in 21 for r in the formula
[tex]C = 2(3.14)21\\2*3.14=6.28\\6.28*21=131.88\\C=131.88[/tex]
So we can conclude that the circumference of the circle is 131.88 inches