It's called "utter disregard for the safety and welfare
of the people standing at the bottom of the hill".
Answer: Sound recording and production
Explanation: Digital audio is also the name for the entire technology of sound recording and reproduction using audio signals that have been encoded in digital form.
If the radius of a circle of area A and circumference C is doubled, <u>the new circumference</u> of the circle, in terms of C, <u>will be</u> equal to 2C.
The area (A) of a circle is given by:
(1)
And a circumference (C) is:
(2)
Where:
r: is the radius
<u>If the radius</u> of a circle and circumference <u>is doubled</u>, the new circumference of the circle is:

Therefore, the new circumference of the circle in terms of C is equal to 2C.
To find more about circumference, go here: brainly.com/question/4268218?referrer=searchResults
I hope it helps you!