None. It's an okay thing.
a 4 means an A on a report card
it means you did good but not very good like a b on a 4th grade report card
The slash can be used for division like this:=A2/B2
mastery
Absences
Coming soon.
Absences
by zero line do you mean 0? or do you mean 0 with the slash in it like this /?
your doing bad
It means that you may have just had a dream of a bad report card. Or it could mean that you are stressed about something, (your grades) and you need to not stress about it as much.
Assuming you mean a credit card - there should be an 'emergency' number somewhere on your statement. The sooner you report it - the less liable you will be if someone uses the card fraudulently.
Y/Y = year over year (i.e., this year compared with last year) Q/Q = quarter over quarter