Answer this question three- eighths of the 7th grade students were taking advanced math at the beginning of the year but 7 dropped out by the end of the year if there are 140 students taking advanced math at the end of the year how many total 7th grade students are there?

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)) =

Use composition to determine if (x) or h(x) is the inverse of f(x) for the limited domain x2-1.

Which of the following equations is equivalent to x/3-6/x=1