If x represents a number, then write an expression for three times the sum of x and 10

Use composition to determine if (x) or h(x) is the inverse of f(x) for the limited domain x2-1.

A. what is the area of the base? use complete sentences to explain your reasoning. b. what is the volume of the prism? use complete sentences to explain your reasoning.

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.