Simplify sin x/1-sin x?

What can be said about the relationship between triangles and circles? check all that apply. a) many circles can be inscribed in a given triangle b) exactly one triangle can be inscribed in a given circle c) exactly one circle can be inscribed in a given triangle d) many triangular shapes can be circumscribed about a given circle

What is the base of 1/9 to the power of 2

If f(x)=-x^2+6x-1 and g(x)=3x^2-4x-1,find(f+g)(x)