Which button will add an envelope to a document, ensuring that the document and envelope both print together? a. add electronic postage b. omit c. options d. add to document

Radar devices are used by law enforcement to be sure that individuals are driving safely. they tell the officer how fast the vehicle is traveling at that specific moment in time. the radar device determines the vehicle's a. instantaneous speed. b. acceleration. c. maximum velocity. d. average speed.