Someone can help me ? I don’t need watch the video, they don’t is saying nothing extra

Which is more important in determining the format in which recordings are offered by the music industry, new technology or consumer sovereignty? explain.

Which of the following best describes the 1957 events at central high school in little rock, arkansas? -governor faubus resisted the school’s integration with national guard troops, and president eisenhower sent federal troops to enforce integration.-under governor faubus, little rock police first fought, then enforced, the order to integrate the school.-president eisenhower sent national guard troops to resist the school’s integration, but governor faubus obtained a court order to dismiss them.-president eisenhower and governor faubus worked together to make the integration process run as smoothly as possible.

Profits are maximized when marginal revenue and marginal costs are a. set c. equal b. less than market price d. greater than market price