An observer (o) spots a bird flying at a 35° angle from a line drawn horizontal to its nest. if the distance from the observer (o) to the bird (b) is 21,000 feet, how far is the bird (b) from its nest
(n)? round to the nearest whole number.

How do you find principle and simple interest

The first floor of marcus’ house is 1,440 square feet. he will cover 1,033 square feet with wood and the rest with tile. a box of tiles will cover 11 square feet. how many boxes of tile does marcus need to buy to cover the floor?

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.