Which equation describes the nth term of the arithmetic sequence -12,-14, -16,-18,...?

a. An=-2n-10
b. An-12-2n
c. An=10n-2
d. An=-2n+10

PLS HELL

Solve the equation w^3 = 1,000 i honestly dont know how to punch this into a calculator pls

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The sum of the first eight terms of an arithmetic progression is 9m + 14. the fifth term of the06 progression is 2m - 6, where m is a constant. given that the first term of the progression is 26,find the value of the common difference, d and thevalue of m.