Nine times the sum of a number and eleven is -108. What is the number? A) Translate the statement above into an equation that you can solve to answer this question. Do
not solve it yet. Use 2 as your variable.
The equation is
B) Solve your equation in part [A] for x.
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?