Answer:
Hmmmm, very tricky question but I'll figure it out and type it in the comments

so, let's first change the bounds from 1 to 9, so we'll be dropping the indices by 1, in order to do the variable "n".
however, let's use a variable hmmm say "k", where "k" is the value of "n" beginning at 1, thus
k = n - 1.
however, if k = n - 1, then
k + 1 = n. So let's use those fellows then,
Answer:
-1.5
Step-by-step explanation:
Answer:
=5
Step-by-step explanation:
-7-6(-2)
-7+12
=5
sorry didn't read it right
Answer:
9:20 is the answers for the question
Step-by-step explanation:
please tell me your