I would really apperciate some help with this moudule

A3 - MODULE 1: LESSON 3 ASSIGNMENT 16 Marks Please show your work. 1. Determine the sum of the arithmetic series 6 + 11 + 16 + L + 91. (4) Answer: 1 4 +2 +.. 2. For the arithmetic series 3 3 3 , identify each of the following: a. t (1 ) Answer: b. d (1) Answer: c. S7 (2) Headphones Answer: 3. The sum of the first 18 terms of an arithmetic series is 576. The common difference is -8. Determine the value of the first term, t,. (2) Answer: 4. Corey, a university student, is deciding between two summer jobs. He plans to work from the beginning of May to the end of August, inclusive. The first job pays $1500/mo with a monthly raise of $150. The second job pays $300/wk with a weekly raise of $15. a. Determine the total income earned if Corey takes the first job. (2) Answer: b. How many complete weeks are there during this time period? (1) Answer: . Determine the total income earned if Corey takes the second job. (2) Answer: d. Which job pays better? By how much? (1)