Answer:
ionosphere
Step-by-step explanation:
In radio communication, skywave or skip refers to the propagation of radio waves reflected or refracted back toward Earth from the ionosphere, an electrically charged layer of the upper atmosphere
The expression is Undefined for x=0, assuming you intend 1/(-8x).
x=0 is "nonpermissible"
Answer:
i think the second one
Step-by-step explanation:
i think it would be the smartest thing to pick
I would say 18 because 790-610= 180 and 180÷10= 18
5.03 rounded to 1 decimal place is 5.0