14.
if a tree cast a 90-foot shadow at the same time a
3-foot pole held perpendicular to the ground casts
a 5-foot shadow, what is the height of the tree,
expressed in feet?

What point is the projection of q on a) r b) s c) t

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.

What is the volume of a cone with a height of 6 cm in the radius of 2 cm