Abox with no top is to be made by cutting a 2-inch square from each corner of the square sheet of metal shown below. after bending up the sides, the volume of the box is to be 160 cubic inches. how large should the piece of metal be

An observer(o) spots a plane(p) taking off from a local airport and flying at a 29 degree angle horizontal to her line of sight and located directly above a tower(t). the observer also notices a bird circling directly above her. if the distance from the plane(p) to the tower(t) is 6,000ft., how far is the bird(b) from the plane(p).