3. Research 2: The average salary in the United States is $28.000. Determine if the average salary of the employee in a local company is significantly different than this value at alpha level (a) of 0.05. Salary: 35,000, 18.000.20,000, 50,000. 38,000,
20.000, 75,000. 40.000. 30,000. 22.000. 23.000. 45.000. What is the test values for this case?
a. 0.05
b. $28.000
c. $47.500
I
d. No information have been provided
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The clayton family’s pool has vertices at the coordinates (0, 2), (0, 5), (2, 5), (2, 6), (5, 6), (5, 1), (2, 1), and (2, 2). if each grid square has an area of 9 square feet, what is the area of the pool?

Someone answer asap 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)) =

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