The sketches below show cat's and fred's driveways. if the perimeter of each others of their driveways is the same, what is the length and width of cat's driveway?

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