Respuesta :

Zezima

Answer:

0.7

Step-by-step explanation:

Take the scale factor as Z.

9 x Z = 6.3

14 x Z = 9.8

7 x Z = 4.9

Find Z

6.3/9 = 0.7

9.8/14 = 0.7

4.9/7 = 0.7

Z = 0.7