Arianna and Samantha go to the movie theater and purchase refreshments for their
friends.
Arianna spends a total of $118.75 on 10 drinks and 5 bags of popcorn.
Samantha spends a total of $157.75 on 9 drinks and 10 bags of popcorn.
Write a system of equations that can be used to find the price of one drink and the
price of one bag of popcorn.
Using these equations, determine and state the price of a drink, to the nearest cent.
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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?