Answer:
78 mm or 7.8 cm
Step-by-step explanation:
2mm : 1 meter
X mm : 39 meters
X/2 = 39
X = 78 mm or 7.8 cm
Ok I'm assuming that know what??
8 u ocho
¡Espero que ayude!
its 3rd graph, the one with (-1,0) point