Find the missing length indicated TS

Which of the following are parts of a sphere

What is the multiple zero and multiplicity of f(x) = (x ? 3)(x ? 3)(x + 5)? multiple zero is 3; multiplicity is 2 multiple zero is 5; multiplicity is 1 multiple zero is ? 5; multiplicity is 1 multiple zero is ? 3; multiplicity is 2

What are the solutions of the system? solve by graphing. y = x^2 + 3x + 2 y = 2x + 2