Ou rent a bicycle for $10 plus $2 per hour. which type of equation is most suitable for modeling the cost of renting a bicycle? a) linear b) radical c) rational d) exponential

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?