Scientists can't tell that an earthquake is a foreshock until the larger earthquake happens. The largest, main earthquake is called the mainshock. Mainshocks always have aftershocks that follow. These are smaller earthquakes that occur afterwards in the same place as the mainshock.
Answer: Actually getting up and walking like God intended us to.
The answer would be (-13,-4) if you wanted to do it without a graph all you have to do is subtract so -8 - (-3)= -5 so five to the left and -9 - (-5)= -4 so four down. Hope this helps! :)
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