Math
becky charges $10/hour per child and $3.50/hour per pet to babysit. the boonies want her to babysit their 3 children, two dogs, and one cat for 3 hours while they go to dinner and the movies. how much will becky earn at the end of the night?

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.

Aline that intersects one of two parallel lines intersects the other also always sometimes never

The median am of triangle ∆abc is half the length of the side towards which it is drawn, bc . prove that triangle ∆abc is a right triangle, and find angle mac and abm