In a survey taken of 60 households, 40 households reported having a dog and 30 households reported having a cat. if half of all households having a cat also have a dog, how many households reported have neither a dog nor a cat?

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%