The sum of the first four terms of an arithmetic sequence is 18. If the 10^th term is 42 find; (a) The first term of the...

The sum of the first four terms of an arithmetic sequence is 18. If the 10^th term is 42 find;
(a) The first term of the sequence.
(b) The sum of the first ten terms of the sequence.

Answers

sharon kalunda answered the question on August 30, 2019 at 11:02

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