Please help me! HELP ME HELP Me HELP ME HELP ME HELP ME HELP ME!!!​

Do you mind if you guys me with this question i’m on number 8

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?

Xy x xy if a and b are positive integers such that a*b=9 and b*a=72 what is the value of a/b