Sheri jeffers purchased stock for a total cost of $11,760, including commission. she sold the stock a month later for $14,830, after commission. round all percents to two places. a. what was her net gain on the sale? $ b. what was her percent of gain on the sale? % c. if sheri had held her stock another week and sold for $11,430 after commission, what would her percent of loss on the sale have been? %

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?