Which of the following expressions is not equal to 1/25
a. 58.5° 5.5+
b. 52.5 53.5-1
c. 5.50.5-1.5-2
d. 58. 5-10 58.5-1

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).