3. If 푎 is a negative integer, then which of the number sentences below is true? If the number sentence is not true, give a reason. a. 5 + 푎 5 c. 5 − 푎 > 5 d. 5 − 푎 5 g. 5 + 푎 > 푎 h. 5 + 푎 푎 j. 5 − 푎 푎 l. 5푎 < 푎

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).