If yall got zoom can yall make a zoom so i can join? tbh i'm hella bored

Which of the following examples has four beats in each measure?

Octothorpe is another name for what common computer keyboard symbol?

Assume that there is a 4% rate of disk drive failure in a year. a. if all your computer data is stored on a hard disk drive with a copy stored on a second hard disk drive, what is the probability that during a year, you can avoid catastrophe with at least one working drive? b. if copies of all your computer data are stored on three independent hard disk drives, what is the probability that during a year, you can avoid catastrophe with at least one working drive?