At a concert, you purchase 3 t-shirts and a concert program for a total cost of $90.the program for a total cost $15 and the t-shirts all cost the same. write and solve an equation to find the cost of one t-shirt

If a baby uses 15 diapers in 2 days how many diapers will the baby use in a year

Ellen makes and sells bookmarks. she graphs the number of bookmarks sold compared to the total money earned. why is the rate of change for the function graphed to the left?

The patient recovery time from a particular surgical procedure is normally distributed with a mean of 5.2 days and a standard deviation of 1.7 days. what is the probability of spending more than 2 days in recovery? (round your answer to four decimal places.)