Acompany makes boxes of cereal. a box usually contains 450 grams of cereal. here are two options for a special offer. option a 20% more cereal option b usual amount of cereal 15% off the price.
which option is best for the customer

If y varies directly as x2 and y=6 when x=6, find the constant of variation.

Alex took his brother to a birthday party. the party was scheduled to last for 1 and 3/4 hours but they stayed for 4/5 of an hour more. how long did she stay at the party?

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?