Find
∂f
∂x
,
∂f
∂y
, and
∂f
∂z
.
f(x, y, z) = 32xyz

Express the following as a function of a single angle, cos(60) cos(-20) - sin(60) sin(-20)

Divide. reduce the answer to lowest terms.5 2/3 ÷ 3 1/9

You are standing next to a really big circular lake. you want to measure the diameter of the lake, but you don't want to have to swim across with a measuring tape! you decide to walk around the perimeter of the lake and measure its circumference, and find that it's 400\pi\text{ m}400? m. what is the diameter dd of the lake?