Well I would think all of them in some way. For the first one, students need to collect data (whether it’s mathematical, scientific, etc.) to answer a question. For the second one, they may need to know how much money is in there bank account or they may need to calculate a sale to order the item. For the third one, they may need statistical data to support a position. For the last one, a student could use technological data to be able to solve their problem sorting documents.
Answer:
What email are you talking about?
I think it would be Zomato since its not popular and probably have bad and fake reviews.
The answer would be 798 since all of them combined with the square root dividing it would give you that.