Adepartment store purchases screen printed t shirts at a cost of $5 per shirt. them he store marks up the price 150% and puts them on the sales floor. every month that a t shirt doesn't sell, the store reduces the selling price by 25%. what is the selling price of a t shirt after one monthly markdown

Calculate the density of benzene if 300ml of it weighs 263g. a. 0.88 g/ml b. 1.14 g/ml c. 78,900 g/ml d. 37 g/ml

In the geometric progression –3, 12, −48… what term is 3,072?

Ur environment is very sensitive to the amount of ozone in the upper atmosphere. the level of ozone normally found is 4.04.0 parts/million (ppm). a researcher believes that the current ozone level is not at a normal level. the mean of 2525 samples is 4.44.4 ppm with a standard deviation of 0.80.8. assume the population is normally distributed. a level of significance of 0.020.02 will be used. make the decision to reject or fail to reject the null hypothesis. answer tables