19. Which transformation reflects a figure across the y-axis? A (X. y) (-x, y)
B (x. y) - (-X. -Y)
C (x, y) - (-Y. x)
D (x. y) - (y, -x)

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?