An in-ground swimming pool often has steps that are made from poured concrete. In the sketch of the steps below, the steps are identical, each measuring 19 inches from side to side, 11 inches from front to back, and 7 inches tall. Calculate the amount of concrete that is needed to form the steps. 19 in.11 in.7 in. The amount of concrete for the steps is cubic inches.

What is the volume of a rectangular prism if the length is 10.4 mm the width is 5 mm in the height is 8 mm

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)) =

Find the domain of the following expression: 1/(√x)-2