Answer:
if im correct -5^3
Step-by-step explanation:
A.
It is going up as you go right so it is positive and they are pretty much clumped up in a line.
Answer:
8
Step-by-step explanation:
Isolate and solve for C

Astronomers deal with objects in space, so it's most likely they would use geometry to determine how far they are, how big they are, etc.
Have a nice day! :)