Ln times the square root of x-8 equals 5

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

Simplify 15(x - 4)(x -1)-3(x + 4)(x - 1) with steps

Rhombus adef is inscribed into a triangle abc so that they share angle a and the vertex e lies on the side bc . what is the length of the side of the rhombus if ab=c, and ac=b.