Write an equation that expresses the following relationship. w varies directly with u and inversely with the square of d
In your equation, use k as the constant of proportionality.

Part a: select all of the ordered pairs that are located on the graph of the equation. part b: does the graph of the equation represent a function? select all correct answers for part a and one answer for part b.

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

Cot(90° − x) = 1 the value of x that satisfies this equation is °. a. 60 b. 135 c. 225 d. 315