If you can help me thanks a lot... Which exponential curve fits this data?

(2, 0.125), (4, 2), (6, 32), (7, 128)

Use set builder notation to represent the following set: { -3, -2, -1, 0}

Arational number that is equivalent to -20/4?

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).