Different options of using a prompt box

Two technicians are discussing the common u-joint. technician a says its input and output speeds should be equal. technician b says that it normally has two yokes. which technician is correct?

From excel to powerpoint, you can copy and paste a. cell ranges and charts, one at a time. b. cell ranges and charts, simultaneously. c. charts only. d. cell ranges only.

How can smart devices benefit businesses, organizations, and social communities in the global marketplace?