Kayla charges $10 for transportation plus $17 per hour for cleaning offices. How much would Kayla make if she worked for 4 ½ hours?

What is the smallest integer n such that n\sqrt{2} is greater than 20

Which expression is equivalent to (3^2)^-2 a.-81 b.-12 c.1/81 d.1/12

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)) =