Answer:Astronomers estimate the age of the universe in two ways: 1) by looking for the oldest stars; and 2) by measuring the rate of expansion of the universe and extrapolating back to the Big Bang; just as crime detectives can trace the origin of a bullet from the holes in a wall.
Explanation:
Here you go. The answer is r = c/ pi. Simply divide both side by pi, in order to isolate the variable r.
The answer is the second choice, because (9) X 3 = 27.
Answer:
I'm not sure I'm only in 5th grade what grade are you in? just trying to get points here
Economics depends the most on statistical techniques.
Hope this helps and please give brainliest!
