If a car's value is $38,000, and each year the car depreciates 12% of its' original value, what is the multiplier

Taking algebra two apex courses and need with these questions

What is 1/3x5 on anuber line what does it look like on a number line

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.