PLEASE HELP I ONLY HAVE 5 MINUTES, ILL GIVE 10 POINTS AND BRIANLIEST!

What is the nth term rule of the linear sequence below? 27 , 25 , 23 , 21 , 19 , . .

Proceed as in example 3 in section 6.1 to rewrite the given expression using a single power series whose general term involves xk. ∞ n(n − 1)cnxn − 2 n = 2 − 4 ∞ ncnxn n = 1 + ∞ cnxn n = 0

Which of the following would be a good name for the function that takes the weight of a box and returns the energy needed to lift it?