This is a high school Pre-Calculus 20 question with many parts. PLZ PLZZZ ANSWER ALL QUESTIONS CORRECTLY OR I WILL COMPLAIN. I really need help plz give me good detailed correct answers for this question with many parts as I paid for this!!!

Unit 1 - Sequences and Series - Math Lab 1A Directions: Show your work to receive full marks for each question (including multiple choice). Be sure you include formulas in your work. Determine whether the following is an arithmetic sequence. If it is, determine the common difference and the next three terms. (2 marks). 3, -15, -13,.. a) Not an arithmetic sequence b) Difference = -3 Next Three Terms = -1, -4, -7 c) Difference = -8 Next Three Terms = -29, -37, -45 Difference = -8 Next Three Terms = -21, -29, -37 2. Determine the common difference and the next three terms of this arithmetic of this arithmetic sequence. (2 marks) 1, 4, 7,.. a) Difference = 1 Next Three Terms = 7, 8, 9 Difference = 3 Next Three Terms = 10, 13 , 16 Difference = 3 Next Three Terms = 13, 16, 19 Difference = 1 Next Three Terms = 6, 7, 8 3 Find the value of the indicated term. (2 marks) tn= -3.4n + 9.3 ; t7 -14.50 12.90 -18.12 -23.80 4. Find the value of the indicated term. (2. Marks) In= -8.8n + -6.0 ; t15 -138.00 0.20 -132.00 -172.50 5. Given the following series, find the indicated sum. (2 marks) 6.5 + 16 + 25.5 + ...; $10 a) 492.5 b) 587.5 c) 460.0 d) 1175.0 6. Find the indicated term of the sequence shown. (2 marks) -8.8, -17.4, -26, ... ; t4 7. Find the number of terms in the arithmetic sequence shown below. (2 marks) 6.8, 3.5, ..., -32.8 3. Find an expression for the general term, tn, for the arithmetic sequence given that 15 = 1029 and t14 = 2757. (3 marks) 9) Find the sum of the series given below. (2 marks) 3.1 + (-8.5) + ...+ (-62.5) 10. Jason owns a racket ball club. At the end of 5 weeks Jason had 403 racket ball members and at the end of 17 weeks there are 895 members. If the increase of members is arithmetic, how many members were there in the first week? (3 marks) 11. The Riders started a football fan club. At the end of 8 weeks the Riders had 537 members and at the end of 14 weeks there are 717 members. If the increase of members is arithmetic, how many members were there in the first week