How much does an ice cream cost with 11 ounces of topping?

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

In the polynomial below, what number should replace the question mark to produce a difference of squares? x2 + ? x - 36

Solve the following pair of equations for x and y: ax/b_ by /a= a +b; ax - by = 2ab