Mai and carlos walk around a track. mai walks each lap in
10

minutes. carlos walks each lap in
12

minutes. the two of them begin at the starting line at the same time. they walk until they meet again at the starting line.
how much time does it take for them to meet again at the starting line?

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).