1) find the arithmetic means in the sequence -28,...,...,...,...,7 a) 61,80,99 b) -1,3,7,0 c) 11,12,15 d) -1,2,5 e) -21,-14,-7,0 f) 6,9,12,0 2) find the arithmetic means in the sequence -4,...,...,...,8 a) 61,80,99 b) -1,3,7 c) 11,12,15 d) -1,2,5 e) -21,-14,-7 f) 6,9,12 3) find the sum of the arithmetic series n=19,an=154,d=8 a) 696 b) 2200 c) 1558 d) 90,300 e) 5885 f) 1668 4) find the sum of the arithmetic series 4+8+12+...+200 a) 800 b) 60.45 c) 1275 d) 4500 e) 1996 f) 5100

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