Zvaries inversely with the product of x and y. when x=2 and y=4, z=0.5 what is the value of z when x=4 and y=9?

The function y= x - 4x+ 5 approximates the height, y, of a bird, and its horizontal distance, x, as it flies from one fence post to another. all distances are in feet. complete the square to find and interpret the extreme value (vertex). select two answers: one extreme value and one interpretation.

Write as a product of two polynomials. 2(3–b)+5(b–3)^2

The angle of elevation from point a to the top of a cliff is 38 degrees . if point a is 80 feet from the base of the cliff , how high is the cliff ?