“You have been blocked”

About a week ago I got on and it says I’ve been blocked and once I do the captcha it will just refresh the page and make me do it again... it’s very frustrating and I don’t know what to do

These factors limit the ability to attach files to e-mail messages. location of sender recipient's ability to open file size of file type of operating system used

What part of the interface displays the external references contained in a selected cell? the status bar the review tab the scroll bar the formula bar

Use a physical stopwatch to record the length of time it takes to run the program. calculate the difference obtained by calls to the method system. currenttimemillis() just before the start of the algorithm and just after the end of the algorithm. calculate the difference obtained by calls to the method system. currenttimemillis() at the start of the program and at the end of the program so that the elapsed time includes the display of the result. use the value returned by the method system. currenttimemillis() just after the end of the algorithm as the elapsed time.