Hi, if I could get some help with this I would seriously appreciate it!! Thank you so much in advance!!

The 15th term of an arithmetic series is 143 and the 25 is 183. What is the 10oth term? Find the ist term, and find the common difference. 2) Find the sum of the infinite series 540 + 360+ 240t... 3) What is the Theterm in the expansion of ( x- 34)" 4 Find the coefficient of x 3 in ( 2x+1 ) " 5 Expand ( 2 x + 5 ) # 4 2 3n- 4 a geometric (7 ) The 5 term in sequence is - Z and the Ethterm is 16. What is the value of the common ratio? How many terms are in the arithmetic sequan 8713, 18,..73 7. Find the sum of the geometric series: -4-20,-100.... Sg 10 consider the first loterms: 5, 8, 1, 14, 17:21 What would be the zzraterm of this sequence? What is the 12th term of the geometric sequence - 1, - 3 - 9, - 27 ... (2 ) Find the sum of the arithmetic series : 4+14+ 24+... 5. 30