Respuesta :
9.8 - (-2.4) = 12.2
22 - 9.8 = 12.2
34.2 - 22 = 12.2
Its is arithmetic and the common difference is 12.2.
22 - 9.8 = 12.2
34.2 - 22 = 12.2
Its is arithmetic and the common difference is 12.2.