What is the total bandwidth required to combine 25 voice signals using frequency- division multiplexing?

answer it carefully and take your time, let's get it right the first time.

Which of the following does 3d animation create an illusion of on the screen? a. depth b. emotion c. length d. dialogue

Suppose an astronomer discovers a large, spherical-shaped body orbiting the sun. the body is composed mostly of rock, and there are no other bodies sharing its orbit. what is the best way to categorize this body? a. planet b. moon c. comet d. asteroid

Which location-sharing service offers items for users as a gaming component and also allows them to collectively link their check-ins to publish a trip? a. whrrl b. buzzd c. foursquare (this option is wrong i already tried) d. gowalla for plato