Determine the domain of the following graph:

Assume that there is a 11% 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 four independent hard disk drives, what is the probability that during a year, you can avoid catastrophe with at least one working drive?

The perimeter of a quarter circle is 14.28 miles. what is the quarter circle's radius?

Jeremy wants to determine the number of solutions for the equation below without actually solving the equation. which method should jeremy use?