Assume that when adults with smartphones are randomly selected, 49% use them in meetings or classes. If 25 adult smartphone users are randomly selected, find the probability that exactly 17 of them use their smartphones in meetings or classes.

Which system of linear inequalites is represented by the graph?

Translate the word phrase into a math expression. 15 fewer than the product of 4 and a number. (pls immediately)

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)) =