3 years ago

Helpppppppppppppppppppp

Mathematics

1 answer:

Sliva [168]3 years ago

8 0

$a_1=11+(1-1)(4)=11+0=11\\\\a_2=11+(2-1)(4)=11+4=15$

so:

$a_2=a_1+\,?\\\\15=11+\,?\\\\\boxed{?=4}$

Answer B.

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