Free points in honor of me being confused with online school! enjoy y’all’s day

What is the answer to |-2x-5|-|-4+8| and x=7

You paint a 1/2 of a wall in 1/4 hour. how long will it take you to paint one wall

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?