Two ships leave a harbor at the same time. One ship travels on a bearing S15°W at 11 miles per hour. The other shiptravels on a bearing N75°E at 12 miles per hour. How far apart will the ships be after 2 hours?

What number should be added to the expression x^2+3x+ in order to create a perfect square trinomial? 3/2 3 9/4 9

Which point is a solution to y s 4x + 5?

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?