8. ACE is an isosceles Triangle. a 180
b
C
125
KA
E
A
a. What is the measure of DB
b. What is the measure of the vertex angle?
C. What is the measure of an acute base angle of the trapezoid ABDE?

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.

How can constraints be used to model a real-world situation?

Write as a product of two polynomials. 2(3–b)+5(b–3)^2