He Dean wants to conduct a survey of prospective students (students who have indicated interest in a program like this). During a phone conversation with a marketing research faculty member, they discuss conducting a study of about 75 randomly selected students. Later that day, the Dean does some research and finds that 2500 students in total have expressed an interest in this program. What does this finding mean for the sample size?

Which is the equation of a line perpendicular to the line with the equation 3x+4y=8

Someone answer this asap rn for ! a discount store’s prices are 25% lower than department store prices. the function c(x) = 0.75x can be used to determine the cost c, in dollars, of an item, where x is the department store price, in dollars. if the item has not sold in one month, the discount store takes an additional 20% off the discounted price and an additional $5 off the total purchase. the function d(y) = 0.80y - 5 can be used to find d, the cost, in dollars, of an item that has not been sold for a month, where y is the discount store price, in dollars. create a function d(c(x)) that represents the final price of an item when a costumer buys an item that has been in the discount store for a month. d(c(x)) =

Ineed in figuring out this problem.