Hello, please help me out on this, I really need help (:

An equation of the line tangent to y=x^3+3x^2+2 at its point of inflection is

What set does not contain -3 the set of all real numbers the set of all integers the set of all whole numbers the set of all rational numbers

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.