You put money in two different accounts for one year each. the total simple interest for the two accounts is $140. You earn 6% interest on the first account, in which you deposit $1000. Your deposited $800 in the second account. what is the annual rate for the second account? Please show how you got the answer too!

In a survey of 1015 adults, a polling agency asked, "when you retire, do you think you will have enough money to live comfortably or not. of the 1015 surveyed, 534 stated that they were worried about having enough money to live comfortably in retirement. construct a 90% confidence interval for the proportion of adults who are worried about having enough money to live comfortably in retirement.