Does anybody know how to do any of this?

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?

Factor this polynomial completely. 12x^2+ x-6

Darcy bought 1/2 pound of cheese and 3/4 pound of hamburger for a barbecue.use the numbers to compare the amounts of cheese and hamburger darcy bought.