Answer:
thank for the pointshhhhfgtf5ttctctx4dd5y8hhousjshs
The answer is 12+k because sum means addition and it says 12 and k therefore you and 12 and k together and the algebraic expression would be 12+k
Yea I wanna say you have the right answer
Answer:
a(-1)^(n-1).
Step-by-step explanation:
This is a Geometric Sequence with common ratio r = -1.
The general term is a(-1)^(n-1).
