How come schools never teach abt things that we're actually gonna need in real life. like i doubt that knowing abt the american revolution is actually gonna do sum for me. pls not me acting like this is twitter or sum while im at school lol.

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?

In the figure below, ∠dec ≅ ∠dce, ∠b ≅ ∠f, and segment df is congruent to segment bd. point c is the point of intersection between segment ag and segment bd, while point e is the point of intersection between segment ag and segment df. the figure shows a polygon comprised of three triangles, abc, dec, and gfe. prove δabc ≅ δgfe.

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 5x^2 + 10x