I dont really understand what you want to do but im gonna answer it as if I understood it.
If x is 10 and y is 20 then y is larger than x
To permanetly get rid of an unwanted file, you delete it
Answer:
50*8/2
The asterisk is the multiplication sign and the parenthesis is the division.
I've never used an apostrophe for a multiplication sign before, but I'm guessing multiplication is what it stands for.
Explanation:
I would go C because that way it gets her prepared to answer any techie questions they would have for her and would make her a better option.