The approximate land surface of the earth totals more than square kilometers (square miles). the approximate land surface of the earth totals more than square kilometers (square miles). 15 thousand (5,791) 1.5 billion (50,791,000,000) 15 trillion (50,791,000,000,000) 150 million (50,791,000) 1.5 thousand (579)

How do businesses a country's economy? a. by investing in goods and services b. by increasing the unemployment rate c. by making profits

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)) =

Complete the solution of the equation. find the value of y when x equals to 28 x+3y=28