If 7 out of 8 people use crust toothpaste, how many use this product in a city with a population of 40,000?

Aline on the wall and a line on the floor are skew. always, sometimes, or never?

Can someone answer this question? : )

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.