You noticed a file in your home directory that has a symbol appended to the mode. What does this indicate

hi, you. i think this we be deleted because it's a invalid question.

(i suggest no to do this in the

answer(a) occurs after your prediction;

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