Find the indicated measure of ABCD

Which equations represents circles that have a diameter of 12 units and a center that lies on the y-axis? check all that apply

Which fraction below is equivalent to 10/12?

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