Asand volleyball court is a rectangle that has a length of 52.5 feet and a width that is half of the length. in case of rain, the court is covered with a tarp. how many square feet of tarp are needed to cover the court?

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.