What is the peak of the graph? y=g(x)=2-f(x-3)

The amount spent on food and drink by 20 customers is shown below what is the modal amount spent ?

Identify this conic section. x2 - y2 = 16 o line circle ellipse parabola hyperbola

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?