Use the chain rule to find ∂z/∂s and ∂z/∂t. z = sin(θ) cos(ϕ), θ = st5, ϕ = s7t

What is the slope simplify your answer and write it as a proper fraction, improper fraction, or integer

Graph a triangle (xyz) and reflect it over the line y=x to create triangle x’y’z’. describe the transformation using words. draw a line segment from point x to the reflecting line, and then draw a line segment from point x’ to the reflecting line. what do you notice about the two line segments you drew? do you think you would see the same characteristics if you drew the line segment connecting y with the reflecting line and then y’ with the reflecting line? how do you know?

The results of a survey indicate that the true proportion of households who want a park in their neighborhood is likely in the interval (0.58, 0.84) . what is the point estimate of the proportion of households who want a park in their neighborhood?