Hi please help with this assignment school just started I can’t have a f yet!

Plot the intercepts to graph the equation

Interest begins accruing the date of the transaction except for auto loans mortgages credit card cash advances credit card purchases

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?