An airplane in flight needed to make an emergency landing so it descended at an angle of depression of 15 degrees for 50,000 ft until we landed. How many feet is the vertical drop from when the plane initially began its descent to when it reached the ground? Round to the nearest whole number.​

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.