5(3x-3)< 12
how do you answer it and is it true or false

Astick 2 m long is placed vertically at point b. the top of the stick is in line with the top of a tree as seen from point a, which is 3 m from the stick and 30 m from the tree. how tall is the tree?

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

Is (root2 -2)^2 rational or irrational. show the steps and answer fast