A marketing director is making a presentation on the past year’s successful marketing campaigns. The presentation focuses on an audience of more than 100 in a large auditorium. Conduct online research and create a checklist of all the things that the marketing director must check on the day before delivering the presentation, which will ensure that things progress smoothly on the day of the presentation.

try this:

go tos official website.

click on your profile pic at the top right of the screen and click 'edit profile'.

click on "preferences" and press "year of birth".

and then just maybe try to reset whatever error made before by typing in the correct age details again. hope this !

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