When lightning strikes 8 miles away, the sound of the thunder is heard about 40 seconds later. The time it takes for the sound to travel is directly proportional (variation) to the distance. How long does it take the sound to travel if the lightning strikes 6 miles away?

answer: the answer is 127 degrees

yes because there is exactly one y value for every x value

for function there can't be more than one value for every x value

relating to or denoting a system of numbers and arithmetic based on the number ten, tenth parts, and powers of ten.

it alot will look like this 4.4

i think the correct option is the second option.