Aballoon is released from the top of a platform that is 50 meters tall. the balloon rises at the rate of 4 meters per second. write am equation in slope-intercept form tat tells the height of the balloon above the ground after a given number of seconds.

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?