I need somw help on this pls ^^

Identify a1 and r for the geometric sequence an= -256(-1/4) n-1

Solving algebraic equations 2m+3=11

The first term of a sequence is -12. the recursive formula for the sequence is an = an-1 + 9. what are the next 3 terms in the sequence? a) -3, -15, -27 b) -3, 6, 15 c) -3, -6, -3 d) -3, -6, 3