Aresearcher is trying to find out if there is a correlation between the u. s. economy and the number of hours spent on social media. the researcher determines that the correlation coefficient is r = 1.26. what does this value mean? a) the researcher made an error because −1 ≤ r ≤ 1. b) when the u. s. economy is good, people spend more time on social media. c) when the u. s. economy is poor, people spend more time on social media. d) when the u. s. economy is good, people spend less time on social media.

What is the solution set of the quadratic inequality x^2-5< or equal to 0

Samson is going shopping for sugar and butter to make three different kinds of cookies: lemon bars, peanut butter cookies, and sugar cookies. the recipe for lemon bars calls for 2 cups of flour, 2 cups of sugar, and 1 stick of butter. the peanut butter cookie recipe calls for 2 cups of flour, 4 cup of sugar and 2 stick of butter. the sugar cookie recipe calls for 1 cup of flour, 2 cups of sugar, and 2 sticks of butter. sampson has 13 cups of flour at home, and he buys 12 cups (6 pounds) of sugar and 10 sticks of butter. how many batches of each type of cookie can he make? samson can make batches of lemon bars, batches of peanut butter cookies, and batches of 09 cookies submit reset

Larry wants to buy some carpeting for his living room. the length of the room is 4 times the width and the total area of the room is 16 square meters. what is the length of the living room