What do many companies provide direct ___??

Communication

Explanation:

Most companies provide direct communication either through a phone number, email address, or P.O. box.

answer: a, c

divide any of the y values by x values and you will always get 3 is the most simple way i can put it for you.

professionals can use many types of technology that can them. some examples are, computers (they research and can use for programs for data, they are also used for job applications, school work, and even to make new ideas), speedometers (can get data for unknown data), sometimes something as small as a pen (used for rough drafts, to insert data, and again job applications).