Use the formula sa=6s2 , where sa is the surface area and s is the edge length of the cube, to solve this problem. eliz must cover a cube-shaped box with giftwrap. the edge length of the box is 312 feet. what is the surface area of the box? enter your answer, as a mixed number in simplest form, in the box.

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?