HELP WILL GIVE BRAINLIST What is the exact circumference of a circle with a radius of 3 ft?

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a
ft

C≈18.85 ft

this is the answer I think

The answer is 18.85ft

Step-by-step explanation:

To explain is the radius is 3ft and the circumference is 2nr

To show how to solve will be like this and look down here C=2πr=2·π·3≈18.84956ft

18.84956ft round to the nearest is 18.85ft

i think it's ф or x=6,-6

step-by-step explanation:

-x^2=-36

x^2=-36

ф

or

if you mean by : -(x^2)=-36

it'll be: x^2=36

x=6,x=-6

hope it'll ! have a good day!

you for asking!