How many instructions could a 500 mhz machine execute in one minute?

Consider the following statements, then select one of the answers below: the signal() function shown below registers "sig_handler()" as the signal handler function for the sigkill signal, without the complexity of using when the sigkill signal is sent to a process running this code, by a user typing "kill -kill ", where the correct process id is used for to target the process, sig_handler() will be executed.

What a backup plan that you have created in a event you encounter a situation

Im doing this last minute and literally none of my neighbors or people that my dad works with use excel so if anyone could me make up an example