Find the partial derivative of f(x, y) =x2y+sin x+cos y

Anode is a point on a wave where there is no vibration. a.true b.false

The social contact theory states that

Ineed answers fast how do conflict and cooperation among groups and organizations influence the development of the world? 1. choose two of the following topics: ethnicity and race, working conditions, immigration, military conflict, economic stability. 2. discuss how these two topics impact the development of countries. provide examples. 3. post your response to your teacher.