I need this by tomorrow! please help me, I'm desperate. I dont understand it well.

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

Find the area of a parallelogram with base 15 yards and height 21 2/3

How do the number line graphs of the solutions sets of -23 > x and x-23 differ?