Which is a word phrase for the variable expression? 4(n – 2)
a. two less than four times a number n
b. four more than the difference of a number n and 2
c. four times the product of a number n and 2
d. four times the difference of a number n and 2

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?