A local shoe store is having a clearance sale on their summer shoes. The table below shows the sale price of each type of shoe. A customer bought 2 pairs of sneakers, 1 pair of flip-flops, and 1 pair of flats. The sales tax was $1.75. How much change did the customer receive from $30.00?
A. $13.58
A. $13.58

B. $21.16
B. , $21.16,

C. $7.09
C. $7.09

D. $22.91
D. $22.91

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?