It’s b. Find the inverse of this function
It's either b or c I am not sure
-7+n=12
this leaves us with n=19
No one is going to do your test or homework. I will only do one.
Neptune:
4, 495, 000,000 = 4.495 x 10^9
You would go 80km. This is because a third of 280km is 80km and a third of an hour is 20minutes so just divide the speed by 3.