Please help in this question

Jason needs to learn a new web tool. he went through his books to understand more about it. now he wants hands-on experience with using that tool. what would him? jason can use websites where workspace is provided to test the results of your code.

Which component acts as a platform on which application software runs

In cell h5 enter a formula that will calculate the percentage of attendees that went to the altamonte springs job fair in 2018.