A las vegas supermarket bakery must decide how many wedding cakes to prepare for the upcoming weekend. cakes cost $55 each to make and they sell for $61 each. the price of leftover wedding cakes is reduced by 50% on mondays to clear out inventory. demand for the weekend is normally distributed with a mean of 102 and a standard deviation of 14. what is the optimal number of wedding cakes to stock on the weekend?

Aright triangle includes one angle that measures 30º. what is the measure of the third angle? a. 30º b. 90º c. 60º d. 130º

Apatient is to take 60 mg of an antibiotic on day 1, take 45mg on days 2 and 3, take 30mg on days 4 and 5 and take 15 mg on days 6 and 7. how many total mg will the patient take?

2people are trying different phones to see which one has the better talk time. chatlong has an average of 18 hours with a standard deviation of 2 hours and talk-a-lot has an average of 20 hours with a standard deviation of 3. the two people who tested their phones both got 20 hours of use on their phones. for the z-scores i got 1 for the chatlong company and 0 for talk-a-lot. what is the percentile for each z-score?