Pls help me im crying at 3am rn bc i cant figure this out... 3. Use the diagram to the left to answer the following
questions.
a. Using parallel line relationships, find the value of x.
Show your work to support your answer. (4 pts)

b. Find the measure of each of the angles. Don’t forget to label your answer. (6 pts)
a = d =
b = e =
c = f =

Find the roots of the equation below. x^2 - 6 + 9 = 0

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)) =

Standard deviation of 19,29,21,22,23