11.) what is the 7th term of the arithmetic sequence 2,6,10,14? 12.) insert 4 arithmetic mean between -12 and 4 ?
13.) what is the arithmetic mean between -12 and 4?
14.) find the 30th term of the arithmetic sequence 15,26,37,48?
15. find the 10th term of an arithmetic sequence if a1 = -17 and d = 8?
Thank you