.You have a recipe that indicates to use 7 parts of sugar for every 4 parts of milk. You use 28 cups of sugar. How much milk do you need?

Explain how you can use the associative property to evaluate (7x50)x4.

Is this a polynomial function? i need to know asap

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?