Acargo train leaves a station with a shipment, and is headed for another station to drop off the shipment. the table represents the distance, in miles, the train has traveled after x hours. x 3 6 9 12 15 18 g(x) 180 360 540 720 900 1,080 what is the average rate of change over the interval [9, 18

Suppose babies born after a gestation period of 32 to 35 weeks have a mean weight of 25002500 grams and a standard deviation of 800800 grams while babies born after a gestation period of 40 weeks have a mean weight of 27002700 grams and a standard deviation of 385385 grams. if a 3232-week gestation period baby weighs 21252125 grams and a 4040-week gestation period baby weighs 23252325 grams, find the corresponding z-scores. which baby weighs lessless relative to the gestation period?