plz answer each of them thanks so much!

O/O 10.5 10.5.4 Exercises 2. Use the chain rule to find : and of, where z - eytany, x - 5s + 1t, y - 28 First the pieces: Dy Dy THE And putting it all together: 81 24 and of Make Interactive 6. Let z = g(u, v, w) and u(r, s, t), v(r, s, t), w(r, s, t). How many terms are there in the expression for Oz/Or? terms Make Interactive 13. Suppose that T = x2 + y? - 2z where I = psin($) cos(0) y = psin($) sin(0) z = pcos($) a. Construct a tree diagram representing the dependencies among the variables. b. Apply the chain rule to find the partial derivatives ap ' ag' and