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4. Find the 9th term of the arithmetic sequence with a,-10 and d=
5. Find a, if a, 54 and a, = 60.
2
6. How many terms are there in an arithmetic sequence with a common
difference of 4.and with first and last terms 3 and 59, respectively?
7. Which term of the arithmetic sequence is -18, given that a, 7 and
a=27
8. How many terms are in an arithmetic sequence whose first term is -3.
common difference is 2, and last term is 23?