Answer:
-1 and 30
Step-by-step explanation:
5-2=3 3-2=1 1-2= -1
21+3=24 24+3=27 27+3= 30
9514 1404 393
a8 = 4
Put 8 where n is and do the arithmetic.
a8 = (1/2)(8) = 8/2 = 4
The 8th term of this arithmetic sequence is 4.
35
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