9) 32, 42, 52, 62, ...
ACommon Difference: d = 10
a = 550
52
BCommon Difference: d = 10
a = 542
a52
52
CCommon Difference: d = 10
a = 560
52
DCommon Difference: d = 10
a = 540
52
ACommon Difference: d = 10
52
BCommon Difference: d = 10
a52
52
CCommon Difference: d = 10
52
DCommon Difference: d = 10
52