Rectangle abcd is congruent to rectangle urst.

rectangles a b c d and u r s t are congruent. the length of sides a b is 9 millimeters and the length of sides r s is 15 millimeters.

what is the area of rectangle urst?

24 mm
48 mm
135 mm2
144 mm2

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?