Ali is planning a cookout for family and friends. There will be 24 people at her cookout. Ali is renting tables for the cookout and wants to seat an equal number of people at each table. She needs to decide how many tables to get. How could she arrange the seating so that a reasonable and equal number of people sit at each table? Explain PLS HELP

What is the standard deviation of the following data set rounded to the nearest tenth? 3, 17, 18, 15, 12, 21, 9

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)) =

Landon wrote that 3−2.6=4. which statement about his answer is true?