27 is the ______th term of -5,-1,3,7,...

-10 is the _____th term of 14,12.5,11,9.5,...
please help i tried but i can come up with the answer.

2 answers

-5 + (n-1)(4) = 27

14 + (n-1)(-1.5) =

Now just solve for n in each case.
Show your work if you get stuck.
oobleck thank you for your help. what does the second one equal to