Características debe tener un desarrollo plano matemáticas

What is a correct first step in solving the inequality-4(3-5x)> -6x+9

35 ! insert < , > , or = to make the sentence true. 12 __ 25 > =

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).