Find the center, vertices, and foci for the ellipse 25x^2+64y^2=1600

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

Acircle has a circumference of 7.850 units. what is its radius?

Need asap. solve for the following inequality