Help please easy alot of points if you put a terrible answer I'm reporting (4pts) Find the a. mean and b. standard deviation for the data set. Round to two decimal places. SHOW ALL WORK.
Number of Television Sets per 100 people in 5 countries: 75, 45, 80, 60, 65

a.) Mean = b.) Standard Deviaion =

Martha needs 22.25 strawberries for every 5 smoothies she makes. complete the table to see how many strawberries she would need to make 10 smoothies and 20 smoothies.

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)) =

Rewrite the following quadratic functions in intercept or factored form. show your work. y = x^2 + 7x + 10