the temperature in anchorage changed -3.5° per hour until it reached -42° at 3:00 am friday morning. write and solve an equation to find out how long it took for the temperature to change if the starting temperature was 24.5° on thursday

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?