One number is 3 more than 2 times the other, and their sum is 27. Find the numbers. Ifx represents the smaller number, then the larger number is
O 2(x +3)
O 2x +3
O 3x +2

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?