A Norman window has the shape of a rectangle surmounted by a semicircle. If the perimeter of the window is 8 ft, express the area A of the window as a function of the width x of the window.

What is the difference between regular convex and concave polygons

Acone with volume 1350 m³ is dilated by a scale factor of 1/3. what is the volume of the resulting cone? enter your answer in the box. m³

Type the correct answer in the box. consider the system of linear equations below. rewrite one of the two equations above in the form ax + by = c, where a, b, and c are constants, so that the sum of the new equation and the unchanged equation from the original system results in an equation in one variable.