Answer:
2
Step-by-step explanation:
2 is the only common factor between 8 and 14
You can use Pythagoras theorem to find the radius.
r^2 + 8^2 = 10^2
r^2 + 64 = 100
r^2 = 36
r = 6
Add 2 to both sides...x>3
Answer:
1460 days till they collide again
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