Respuesta :

b.6

72/6 = 12
12/6 = 2
HowellK20

Your answer should be A. 1/6. Because to find a common ratio in a geometric sequence you divide any number in the sequence by the number that comes before it. Ex: 12÷72= 1/6 & 2÷12= 1/6. Hope this helps! ^-^