True or false: individuals involved in surveillance prior to a terrorist attack are always well-trained and equipped.

you can only change it if your real name or personal information was in it. and if so you would need to contact them directly with a username change request.

which functions return a valid value without any arguments?

(-blank- and -blank- return a valid value without any arguments.)

1st -blank-

today

sqrt

count

2nd -blank-

round

now

sqrt