Rome was able to gain its empire in large part by extending some form of citizenship to many of the people it conquered. military expansion drove economic development, bringing enslaved people and loot back to rome, which in turn transformed the city of rome and roman culture.

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

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.

You give a $4 tip for a meal that cost $22. approximately what percent of the bill was your tip?