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Which sequences are arithmetic? Select T H R E E options
1) –8.6, –5.0, –1.4, 2.2, 5.8, …
2) 2, –2.2, 2.42, –2.662, 2.9282, …
3) 5, 1, –3, –7, –11, …
4) –3, 3, 9, 15, 21, …
5) –6.2, –3.1, –1.55, –0.775, –0.3875, …
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Step-by-step explanation:
1'st , 3'rd and 4th are an arithmetic.
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