9x – 20 + x2 please help find the coefficient

What is the location of point g, which partitions the directed line segment from d to f into a 5: 4 ratio? –1 0 2 3

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.

John has 1/2 pound of oranges to share with julie. if they share the oranges equally, how much will each of them have?