(20 points) the first term of an arithmetic sequence is -5, and the twelfth term is 17. find the common difference. answers: a. 17/6 b. 3 c. 2

Select the margin of error that corresponds to the sample mean that corresponds to each population: a population mean of 360, a standard deviation of 4, and a margin of error of 2.5%

Problem 3 a bank charges a service fee of $7.50 per month for a checking account. a bank account has $85.00. if no money is deposited or withdrawn except the service charge, how many months until the account balance is negative

Ineed some on this. not sure how to solve.