Find the volume of a cylinder that has a radius of 2 kilometers and a height of 1 kilometer. Volume = km³ (Use 3.14 for pi and round your answer to the nearest tenth.)

What is the value of x in the this question ?

Find the solution(s) to the system of equations. select all that apply y=x^2-1 y=2x-2

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?