Item 2
A right-angled triangle, with two sides adjacent to the right angle labeled 5 times square root of 2, and the hypotenuse is labeled x.

Find the value of $x$ . Write your answer in simplest form.

$x=$

Given the function f(x) = 3x + 1, evaluate f(a + 1). a. 3a + 1 b. a + 2 c. 3a + 4

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)) =

You are at a restaurant and owe $56.20 for your meal. you want to leave an 18% tip. approximately how much is your tip?