Which of the following can not be used to express the number 8? eight below zero
positive eight
+8
eight more than zero

All per-unit concepts rely on ratios, meaning, to provide a type of measurement

Evaluate the following expression 1/3^2

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%