What kind of sequence is this? 69,53,37,21

What kind of sequence is this? 191, 173, 155, 137, ... A) arithmetic B) geometric C) both D) ne...

What kind of sequence is this? 68, 81, 94, 107, ...

What kind of sequence is this? 85, –85, 170, –510, ...

What kind of sequence is this? 86, 100, 114, 128, ...

What kind of sequence is this? 392, 390, 385, 377, ...

What kind of sequence is this? –66, –84, –102, –120, ...

What kind of sequence is this? 86, 98, 110, 122, ...

What kind of sequence is this? 117, 234, 468, 936, ...

What kind of sequence is this? –58, 58, –174, 870, ...

What kind of sequence is this? 473, 492, 508, 521, ...

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