Fill in the blank. х
If (x, y) is any point other than the origin on the terminal side of an angle a in standard position and r= 1x? +
then
and- =
r

The mean of a set of data is -3.82 and its standard deviation is 2.31. find the z score for a value of 3.99.

The means and mean absolute deviations of the individual times of members on two 4x400-meter relay track teams are shown in the table below. means and mean absolute deviations of individual times of members of 4x400-meter relay track teams team a team b mean 59.32 s 59.1 s mean absolute deviation 1.5 s 245 what percent of team b's mean absolute deviation is the difference in the means? 9% 15% 25% 65%

Which questions would most a reader identify the author's purpose for writing? check all that apply. what type of text is this? what type of reviews did the book receive? how many copies of the book have been sold? what is the central idea? how does this text make one feel?