00 7 For the arithmetic sequence 2, 6, 10, ..., 90: the 12th term of the sequence is the number of terms in the sequence is the sum of the terms of the sequence is Check An arithmetic sequence has 25 terms. The first term is 60 and the last term is -12. The common difference is A The sum of the terms of the sequence is Check The 4th term of an arithmetic sequence is 14 and the 11th term is 70. The first term is The common difference is The sum of the first 12 terms of the sequence is Check