Tia owns a business making decorative gift boxes for jewelry. The function y = -4 x² + 402 – 96 models the
profity that Tia has made in x months for the first two years of her business. Over what time interval does her profit
decrease?

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?