Volume of a cuboid 7cm by 3cm by 10cm

In which form is the following function written? y = - 2(x – 3)(x + 5)

Which of the following graphs could represent a cubic function?

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?