The sum of the first terms of an AP is 520. If the 7th term is double of the 3rd term. Calculate the first term, common difference and sum of 20 terms

Jack is considering a list of features and fees for denver bank. jack plans on using network atms about 4 times per month. what would be jack’s total estimated annual fees for a checking account with direct paycheck deposit, one overdraft per year, and no 2nd copies of statements?

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Empty box + box + empty box fill in the box is equal to 30 how