Suppose that you needed to make a pen for some small animals. you have 12.0 m of fencing. you decide to make a circular pen, because if you wish to enclose an area using a given length of fencing, then a circular fence encloses a larger area than a fence of any other shape. what is the area a of the pen?

What is the value of y? round to the nearest tenth

Askateboard ramp is in the shape of a right triangle what is the height of the ramp

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?