Instruments of communication that reach large audiences with no personal contact between those sending the information and those receiving it

Facial shaving brushes are either bulb-shaped or fan-shaped. an experiment is to be conducted to determine whether the lather thickness is the same for both types of shaving brushes. in previous studies, it was determined that shaving brush size (small, medium, large) is associated with lather thickness, but shaving brush type (wolf whiskers, maggard razors, frank shaving, and so on) is not associated with lather thickness. how could the experiment best be conducted? by blocking on shaving brush size by blocking on shaving brush type by blocking on shaving brush shape by blocking on lather thickness without blocking

Arectangle is removed from a right triangle to create the shaded region shown below. find the area of the shaded region.be sure to include the correct unit in your answer.14 mmm² mxlal? 4m3m

Some studies have found that what percentage of students have cheated in some form? a. 10% b. 25% c. 45% d. 75%