Say you have a promethean board (those smart boards the schools have), and the touch screen does not work and you've tried ever thing you know to do. what shall you do?

a) update/replace the android computer.

b) factory reset the entire system.

c) update both firmware and hardware

or
d) call a professional to make sure you are doing everything correctly, and ask for by doing so.

Aspeed limit sign that says "night" indicates the legal speed between sunset and sunrise.

@josethesolis i need can anyone text me and follow me

Suppose you are an ad-serving company and you maintain a log of cookie data for ads you serve to the web pages for a particular vendor (say amazon). a. how can you use this data to determine which are the best ads? b. how can you use this data to determine which are the best ad formats? c. how could you records of past ads and ad clicks to determine which ads to send to a given ip address? d. how could you use this data to determine how well the technique you used in your answer to part c was working? e. how could you use this data to determine that a given ip address is used by more than one person? f. how does having this data give you a competitive advantage vis-à-vis other ad-serving companies?