What are ratios and proportions < br />

If 25% of y is 30, what is 60% of y?

Which of the following is not a subset of {1,2,3}?

5. which description does not guarantee that a quadrilateral is a squar ajo is a parallelogram with perpendicular diagonals 0% has all sides congruent and all angles congruent o has all right angles and has all sides congruent 10% is both a rectangle and a rhombus 30%