20 14 8 July 8, 2019 16 32 64 128 20 14 8 20 14 8 2 20 14 80 20 14 8 6 20 14 85 20 14 8 4 20 14 8 7 20 14 8 r 20 14 8 2 arithmetic sequences 20 14 8 3 20 14 8 2 nth term 20 88 14 20 x 14 8 20 14 9 8 20 14 3 x 8
