At gym a, it cost $12 to join with a monthly fee do $20. at gym b, it cost $4 to join with a monthly will the cost of both gyms be the same? write an equation for the situation? what is the value of x?

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.