Question

PLEASE HELP WILL GIVE BRAINLIEST

Answer 1

Answer:

Step-by-step explanation:

2121212121212122121121212

Answer 2

-36.2



S_n = 25 - 1.7(n-1)
S_37 = 25 - 1.7(37-1)
S_37 = 25 - 1.7(36)
S_37 = -36.2