Write a ratio that compares the number of dogs to the number of cats 1 dog to 5 cats

What expression is equivalent to (2x-1)(x-3)?

Shannon drove for 540 minutes. if she traveled 65 miles per hour,how many total miles did she travel?

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?