Fred, norman, and dave own a total of 128 comic books. if dave owns 44 of them, what is the average
(arithmetic mean) number of comic books owned by fred and norman?
42

Quadrilateral abcd in the figure below represents a scaled-down model of a walkway around a historic site. quadrilateral efgh represents the actual walkway. abcd is similar to efgh. what is the total length, in feet of the actual walkway?

Click an item in the list or group of pictures at the bottom of the problem and, holding the button down, drag it into the correct position in the answer box. release your mouse button when the item is place. if you change your mind, drag the item to the trashcan. click the trashcan to clear all your answers. solve this quadratic equation using the quadratic formula. 2x2 - 2x=1 need asap

Which statement best describes how to determine whether f(x) = x squared- x +8 is an even function ?