Which model acknowledges that a message can be sent and received at the same time? wood's field of experience model transactional model stages of perception model johari window

Which of the following was a key accomplishment of the people of songhai? a. they had a strong military and became the largest empire in west africa. b. they established a center of islamic scholarship. c. they worked with iron and prospered from the gold-salt trade. d. they dominated in the trade of ivory, enslaved people, and animal skins.

Which of the following best describes how the articles of confederation divided government power?

How many soultions does the system of equations have y= -6x + 330x + 5y = 15a. one b. twoc. infinity manyd. none