The helicopter that can be sent is helicopter 1 because it is within 9 miles away from the fire and it is the fastest.
How is a distance measured?
A distance of an object with respect to another can be measured in centimetres, meters, kilometres or in miles.
From the graph, the each cell represents a mile and when counted shows that helicopter 1 is exactly 9 miles away from the fire.
From the question it was said that helicopter 1 is equally the fastest and can make it only if it is within 9 miles away from the fire.
Therefore, the helicopter that can be sent is helicopter 1 because it is within 9 miles away from the fire and it is the fastest.
Learn more about miles here:
https://brainly.com/question/23801012
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