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Which expression calculates the speed in meters per second of an object that travels a distance of 100 m every 20 seconds

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%

If p(a) = 0.70 and p(b) = 0.20, then a and b are independent events if