N The accurate scale drawing shows
the positions of port P and a lighthouse L.
Lindsey sails her boat from port P
on a bearing of 050°
She sails for 12 hours at an average
speed of 5km/h to a port Q.
p*
Scale: 1 cm represen
a) Indicate the position of port Q on the drawing (use the * tool).
b) Find the distance, in km, of port Q from lighthouse L.
c) Find the bearing of port Q from lighthouse L.

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17. a researcher measures three variables, x, y, and z for each individual in a sample of n = 20. the pearson correlations for this sample are rxy = 0.6, rxz = 0.4, and ryz = 0.7. a. find the partial correlation between x and y, holding z constant. b. find the partial correlation between x and z, holding y constant. (hint: simply switch the labels for the variables y and z to correspond with the labels in the equation.) gravetter, frederick j. statistics for the behavioral sciences (p. 526). cengage learning. kindle edition.

00 points ! missy’s rotation maps point k(17, –12) to k’(12, 17). which describes the rotation? 270° counterclockwise rotation 90° counterclockwise rotation 90° clockwise rotation 180° rotation