How many lengths of radiator hose, each 5 1/4 inches long, can be cut from a 6-ft roll?​

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

1: 4 if the wew 35 surfboards at the beach how many were short boards?

Precalculus question, image attached.