Mia has 3 cards, card 13, 58,and 36. sam gives mia card 23 for her card 18. tim gives sam his 35 card for sam's card 18. tim trades card 18 with someone with cards 71. who has card 18?

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).