Respuesta :

851281

Answer:

20

Step-by-step explanation:

The didderence between -3 and 2 is 5 so to account for those two sides we have 5·2=10.

The difference between 9 and 4 is also 5 so to account fo the other two sides we also have 5·2=10

Adding these together we have 10+10=20.

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