Can you guys help, I need help if u can anyone

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

How do you find the circumfrance of a circle?

65% of students in your school participate in at least one after school activity. if there are 980 students in you school, how many do not participate in an after school activity?