You get 90 pills from the pharmacy every 28 days . you take 3 per day., but you lost 8 pills. how many pills per day are you left with?

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Rose bought a new hat when she was on vacation. the following formula describes the percent sales tax rose paid b=t-c/c

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?