The fifth term of an arithmetic sequence is 9 and the 32nd term is -84. What is the 23rd term?
5 to 32 is 27 terms
9 + 27d = -84
27d = -93
d = -93/27 9 + 18d = 23rd term = 9 + (18)(-93/27) = -53
5 to 32 is 27 terms
9 + 27d = -84
27d = -93
d = -93/27 9 + 18d = 23rd term = 9 + (18)(-93/27) = -53