In 9 hours, yoko reads 72 chapters of a book. what is her rate in chapters per hour?

Which choice represents the sample space ,s for this event

In the triangles, tr = ge and sr = fe. if = 3.2 ft, which is a possible measure of ? 1.6 ft 3.0 ft 3.2 ft 4.0 ft

The area of a circle is equal to 1 dm². find the radius of the circle.