They all contributed to computer usage by developing operating systems and software that made personal computers possible.
Bill Gates made microsoft, Paul Allen founded microsoft, and Steve Wozniak and Jobs both cofounded Apple.
When reading a passage on a reading test, you should circle your switchback words they will contain important information regarding the main ideas presented in the passage.
The answer is A, because numbers with two parts should be hyphenated
Can you maybe attach the file to the question?
