For a linear regression, what is the r-value of the following data to three decimal places? X y 1 4 6 7 9 11 2016 2214 O A. 0.949 O B. -0.949 O C. -0.901 D. 0.901​

Julia measured the high temperature in her town for one week. using the chart above, find the mean absolute deviation for the high temperatures. round your answer to the nearest tenth. be sure to show your work for finding: the mean of the set of data the distance of each number from the mean the mean absolute deviation

Given the function f(x) = log base 4(x+8) , find the value of f^-1(2)

The two square pyramids are similar. find the total volume of both pyramids if the ratio of their surface areas is 9/16