Brandon used inverse operations to solve an equation in his homework assignment. during which step, if any at all, did brandon use the incorrect inverse operation to isolate the variable? equation: 8x3 + 2 = 26 brandon's solution: step 1: (subtract 2 from each side.) step 2: (divide each side by 8.) step 3: (divide each side by 3.) step 1 step 2 step 3 all of the inverse operations were correct.

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?