Help needed. 5x+8 6x+8 and 82 ……..

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

Given f(x)= 9x+1 and g(x)=x^3, choose the expression (f*g)(x)

Which of these triangle pairs can be mapped to each other using two reflections?