Which best explains why -3 2/3 is a rational number

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

Place the following steps in order to complete the square and solve the quadratic equation,

41/17 as a decimal rounded to the nearest hundredth