Which of the following entrepreneurs is best known for making computers easy enough for anyone to use? charles duryeamichael dellbill gatespeter goldmark

An education expert is researching teaching methods and wishes to interview teachers from a particular school district. she randomly selects ten schools from the district and interviews all of the teachers at the selected schools. which type of sample did she use in this study? a)systematic sample b)probability sample c)stratified sample d)cluster sample

The people of mozambique and zimbabwe would be most likely to be affected by a change in flow of which of these rivers? a) congo b) niger c) nile d) zambezi

Of the following choices, which ones are characteristics of west african society? select all that apply. a. arabic was the main language used when trading with other societies. b. christianity was the only religion practiced in villages. c. slaves had no rights and were only given specific farming tasks. d. skilled workers were a higher level in the caste system than traders. e. religious rituals encouraged the honoring of ancestors.